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<h3>
Ryan Scott pushed to branch wip/require-8.8-or-later
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
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<h4>
Commits:
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<ul>
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079">69719d17</a></strong>
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<span>by Ryan Scott</span>
<i>at 2020-03-26T09:48:06-04:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Require GHC 8.8 as the minimum compiler for bootstrapping
This allows us to remove several bits of CPP that are either always
true or no longer reachable. As an added bonus, we no longer need to
worry about importing `Control.Monad.Fail.fail` qualified to avoid
clashing with `Control.Monad.fail`, since the latter is now the same
as the former.
</pre>
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<h4>21 changed files:</h4>
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<li class="file-stats">
<a href="#587d266bb27a4dc3022bbed44dfa19849df3044c">
.gitlab-ci.yml
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<li class="file-stats">
<a href="#36a42448a83a9d1f6df8475f03ead2eed199dd8e">
compiler/GHC/Core/Lint.hs
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<li class="file-stats">
<a href="#35cff95f9f44690fc50b44bbe8ac3c554c7d5a5e">
compiler/GHC/Core/Make.hs
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<li class="file-stats">
<a href="#7685262a8a145335ec922d0a92ebb4a789bf0a3e">
compiler/GHC/Core/Op/ConstantFold.hs
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<li class="file-stats">
<a href="#d52bc1e90d7432064a2998de2a2751b6fecb7680">
compiler/GHC/Core/Op/Specialise.hs
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<a href="#89a2e0e1a3095c7a42b10f2819049908908080e8">
compiler/GHC/Core/Unify.hs
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<a href="#2da47fed955dc80b79c67ba640b94aeecf9d5524">
compiler/basicTypes/UniqSupply.hs
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<a href="#37f9ffe79432abcd1805c1b2cb593d749387ec44">
compiler/main/SysTools/Process.hs
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<a href="#d2ddf5ce2d076f8584d9825af8ea0d7ea0a38813">
compiler/typecheck/TcRnTypes.hs
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<a href="#088b49348926372d4b44b4f836a02df001856987">
compiler/typecheck/TcSMonad.hs
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<a href="#42f7098b2e474179480d39d90b79057ae297eb50">
compiler/utils/Binary.hs
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<a href="#f2c7b28d0209d7810a94225b720fb9f9ac70c354">
compiler/utils/IOEnv.hs
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<li class="file-stats">
<a href="#87db583be5c13c1f7b3c958b10e03d67b6a2ca06">
configure.ac
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<li class="file-stats">
<a href="#b71856f5728e262c6f67455997507c6fa2ede3b9">
hadrian/src/Hadrian/Utilities.hs
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<a href="#88aba3facfb6ad447031cb0f794a80fa9edef072">
hadrian/src/Settings/Builders/Cabal.hs
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<a href="#52ac3fb9d79a975886f930e407b4c98c993e9e8e">
hadrian/src/Settings/Builders/Ghc.hs
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<a href="#8ad3bef656fcb7fe1ad05c31b0157d93b17a0d0f">
libraries/base/Control/Monad/ST/Lazy/Imp.hs
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<a href="#5e321c9c3221e24978460809ff4240f59bc9b67a">
libraries/base/GHC/ST.hs
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<a href="#8daaf55c119093341902a75a70f342a026ae5589">
libraries/base/Text/ParserCombinators/ReadPrec.hs
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<a href="#064db86e2ece7ebdb10fc3cde509b748c2792700">
libraries/ghci/GHCi/TH.hs
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<a href="#ed3c6537b674490396f9cab5cbb014ee54e71168">
libraries/template-haskell/Language/Haskell/TH/Syntax.hs
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<h4>Changes:</h4>
<li id="587d266bb27a4dc3022bbed44dfa19849df3044c">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#587d266bb27a4dc3022bbed44dfa19849df3044c"><strong>.gitlab-ci.yml</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -2,7 +2,7 @@ variables:</td>
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<pre style="margin: 0;"> <span id="LC2" class="line" lang="yaml"> <span class="na" style="color: #008080;">GIT_SSL_NO_VERIFY</span><span class="pi">:</span> <span class="s2" style="color: #d14;">"</span><span class="s" style="color: #d14;">1"</span></span>
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<pre style="margin: 0;"> <span id="LC3" class="line" lang="yaml"></span>
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<pre style="margin: 0;"> <span id="LC4" class="line" lang="yaml"> <span class="c1" style="color: #998; font-style: italic;"># Commit of ghc/ci-images repository from which to pull Docker images</span></span>
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<pre style="margin: 0;">-<span id="LC5" class="line" lang="yaml"> <span class="na" style="color: #008080;">DOCKER_REV</span><span class="pi">:</span> <span class="s" style="color: #d14;"><span class="idiff left right">408eff66aef6ca2b44446c694c5a56d6ca0460cc</span></span></span>
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<pre style="margin: 0;">+<span id="LC5" class="line" lang="yaml"> <span class="na" style="color: #008080;">DOCKER_REV</span><span class="pi">:</span> <span class="s" style="color: #d14;"><span class="idiff left right">3f731f5d37a156e7ebe10cd32656946083baaf4a</span></span></span>
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<pre style="margin: 0;"> <span id="LC6" class="line" lang="yaml"></span>
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<td class="diff-line-num old_line" data-linenumber="7" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC7" class="line" lang="yaml"> <span class="c1" style="color: #998; font-style: italic;"># Sequential version number capturing the versions of all tools fetched by</span></span>
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<pre style="margin: 0;"> <span id="LC8" class="line" lang="yaml"> <span class="c1" style="color: #998; font-style: italic;"># .gitlab/ci.sh.</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="385" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="385" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -385,7 +385,7 @@ validate-x86_64-darwin:</td>
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<pre style="margin: 0;"> <span id="LC385" class="line" lang="yaml"> <span class="na" style="color: #008080;">tags</span><span class="pi">:</span></span>
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<pre style="margin: 0;"> <span id="LC386" class="line" lang="yaml"> <span class="pi">-</span> <span class="s" style="color: #d14;">x86_64-darwin</span></span>
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<pre style="margin: 0;"> <span id="LC387" class="line" lang="yaml"> <span class="na" style="color: #008080;">variables</span><span class="pi">:</span></span>
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<td class="diff-line-num old old_line" data-linenumber="388" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC388" class="line" lang="yaml"> <span class="na" style="color: #008080;">GHC_VERSION</span><span class="pi">:</span> <span class="s" style="color: #d14;">8.<span class="idiff left right">6.5</span></span></span>
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<td class="diff-line-num new old_line" data-linenumber="389" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="388" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC388" class="line" lang="yaml"> <span class="na" style="color: #008080;">GHC_VERSION</span><span class="pi">:</span> <span class="s" style="color: #d14;">8.<span class="idiff left right">8.3</span></span></span>
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<td class="diff-line-num old_line" data-linenumber="389" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC389" class="line" lang="yaml"> <span class="na" style="color: #008080;">CABAL_INSTALL_VERSION</span><span class="pi">:</span> <span class="s" style="color: #d14;">3.0.0.0</span></span>
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<td class="diff-line-num old_line" data-linenumber="390" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="390" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC390" class="line" lang="yaml"> <span class="na" style="color: #008080;">BIN_DIST_PREP_TAR_COMP</span><span class="pi">:</span> <span class="s2" style="color: #d14;">"</span><span class="s" style="color: #d14;">ghc-x86_64-apple-darwin.tar.xz"</span></span>
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<td class="diff-line-num old_line" data-linenumber="391" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC391" class="line" lang="yaml"> <span class="na" style="color: #008080;">MACOSX_DEPLOYMENT_TARGET</span><span class="pi">:</span> <span class="s2" style="color: #d14;">"</span><span class="s" style="color: #d14;">10.7"</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -414,7 +414,7 @@ validate-x86_64-darwin:</td>
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<pre style="margin: 0;"> <span id="LC414" class="line" lang="yaml"> <span class="na" style="color: #008080;">tags</span><span class="pi">:</span></span>
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<pre style="margin: 0;"> <span id="LC415" class="line" lang="yaml"> <span class="pi">-</span> <span class="s" style="color: #d14;">x86_64-darwin</span></span>
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<pre style="margin: 0;"> <span id="LC416" class="line" lang="yaml"> <span class="na" style="color: #008080;">variables</span><span class="pi">:</span></span>
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<pre style="margin: 0;">-<span id="LC417" class="line" lang="yaml"> <span class="na" style="color: #008080;">GHC_VERSION</span><span class="pi">:</span> <span class="s" style="color: #d14;">8.<span class="idiff left right">6</span>.3</span></span>
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<pre style="margin: 0;">+<span id="LC417" class="line" lang="yaml"> <span class="na" style="color: #008080;">GHC_VERSION</span><span class="pi">:</span> <span class="s" style="color: #d14;">8.<span class="idiff left right">8</span>.3</span></span>
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418
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<pre style="margin: 0;"> <span id="LC418" class="line" lang="yaml"> <span class="na" style="color: #008080;">MACOSX_DEPLOYMENT_TARGET</span><span class="pi">:</span> <span class="s2" style="color: #d14;">"</span><span class="s" style="color: #d14;">10.7"</span></span>
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419
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<pre style="margin: 0;"> <span id="LC419" class="line" lang="yaml"> <span class="na" style="color: #008080;">ac_cv_func_clock_gettime</span><span class="pi">:</span> <span class="s2" style="color: #d14;">"</span><span class="s" style="color: #d14;">no"</span></span>
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<pre style="margin: 0;"> <span id="LC420" class="line" lang="yaml"> <span class="na" style="color: #008080;">LANG</span><span class="pi">:</span> <span class="s2" style="color: #d14;">"</span><span class="s" style="color: #d14;">en_US.UTF-8"</span></span>
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<li id="36a42448a83a9d1f6df8475f03ead2eed199dd8e">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#36a42448a83a9d1f6df8475f03ead2eed199dd8e"><strong>compiler/GHC/Core/Lint.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -70,7 +70,6 @@ import Demand ( splitStrictSig, isBotDiv )</td>
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<pre style="margin: 0;"> <span id="LC70" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Driver.Types</span></span>
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<pre style="margin: 0;"> <span id="LC71" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Driver.Session</span></span>
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<pre style="margin: 0;"> <span id="LC72" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Monad</span></span>
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73
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<pre style="margin: 0;">-<span id="LC73" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Control.Monad.Fail</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">MonadFail</span></span>
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<pre style="margin: 0;"> <span id="LC73" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">MonadUtils</span></span>
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<pre style="margin: 0;"> <span id="LC74" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Foldable</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">toList</span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC75" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.List.NonEmpty</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">NonEmpty</span> <span class="p">)</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -2249,16 +2248,13 @@ instance Applicative LintM where</td>
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<pre style="margin: 0;"> <span id="LC2248" class="line" lang="haskell"> <span class="p">(</span><span class="o" style="font-weight: 600;"><*></span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ap</span></span>
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2249
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<pre style="margin: 0;"> <span id="LC2249" class="line" lang="haskell"></span>
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2251
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<pre style="margin: 0;"> <span id="LC2250" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Monad</span> <span class="kt" style="color: #458; font-weight: 600;">LintM</span> <span class="kr" style="font-weight: 600;">where</span></span>
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2252
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<pre style="margin: 0;">-<span id="LC2252" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">if</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">MIN_VERSION_base</span><span class="p">(</span><span class="mi" style="color: #099;">4</span><span class="p">,</span><span class="mi" style="color: #099;">13</span><span class="p">,</span><span class="mi" style="color: #099;">0</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC2253" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">fail</span></span>
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<pre style="margin: 0;">-<span id="LC2254" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">endif</span></span>
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<pre style="margin: 0;"> <span id="LC2251" class="line" lang="haskell"> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="n" style="color: #333;">k</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">LintM</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">errs</span> <span class="o" style="font-weight: 600;">-></span></span>
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2252
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<pre style="margin: 0;"> <span id="LC2252" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">let</span> <span class="p">(</span><span class="n" style="color: #333;">res</span><span class="p">,</span> <span class="n" style="color: #333;">errs'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">unLintM</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">errs</span> <span class="kr" style="font-weight: 600;">in</span></span>
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2253
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<pre style="margin: 0;"> <span id="LC2253" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">res</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;"> <span id="LC2254" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">unLintM</span> <span class="p">(</span><span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">r</span><span class="p">)</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">errs'</span></span>
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2259
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2255
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<pre style="margin: 0;"> <span id="LC2255" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Nothing</span><span class="p">,</span> <span class="n" style="color: #333;">errs'</span><span class="p">))</span></span>
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2260
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2256
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<pre style="margin: 0;"> <span id="LC2256" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC2261" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span><span class="o" style="font-weight: 600;"><span class="idiff left">.</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">MonadFail</span></span> <span class="kt" style="color: #458; font-weight: 600;">LintM</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC2257" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="kt" style="color: #458; font-weight: 600;">LintM</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC2258" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="n" style="color: #333;">err</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">failWithL</span> <span class="p">(</span><span class="n" style="color: #333;">text</span> <span class="n" style="color: #333;">err</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC2259" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC2260" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">HasDynFlags</span> <span class="kt" style="color: #458; font-weight: 600;">LintM</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#35cff95f9f44690fc50b44bbe8ac3c554c7d5a5e"><strong>compiler/GHC/Core/Make.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -85,7 +85,6 @@ import Util</td>
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<pre style="margin: 0;"> <span id="LC85" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.List</span></span>
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<pre style="margin: 0;"> <span id="LC86" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC87" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Char</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">ord</span> <span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC88" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Monad.Fail</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">MonadFail</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC88" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC89" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">infixl</span> <span class="mi" style="color: #099;">4</span> <span class="p">`</span><span class="n" style="color: #333;">mkCoreApp</span><span class="p">`,</span> <span class="p">`</span><span class="n" style="color: #333;">mkCoreApps</span><span class="p">`</span></span>
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<pre style="margin: 0;"> <span id="LC90" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -640,7 +639,7 @@ mkFoldrExpr elt_ty result_ty c n list = do</td>
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<pre style="margin: 0;"> <span id="LC639" class="line" lang="haskell"> <span class="p">`</span><span class="kt" style="color: #458; font-weight: 600;">App</span><span class="p">`</span> <span class="n" style="color: #333;">list</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC640" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC641" class="line" lang="haskell"><span class="cd">-- | Make a 'build' expression applied to a locally-bound worker function</span></span>
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<pre style="margin: 0;">-<span id="LC643" class="line" lang="haskell"><span class="n" style="color: #333;">mkBuildExpr</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MonadFail</span><span class="o" style="font-weight: 600;"><span class="idiff left">.</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">MonadFail</span></span> <span class="n" style="color: #333;">m</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">MonadThings</span> <span class="n" style="color: #333;">m</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">MonadUnique</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC642" class="line" lang="haskell"><span class="n" style="color: #333;">mkBuildExpr</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="n" style="color: #333;">m</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">MonadThings</span> <span class="n" style="color: #333;">m</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">MonadUnique</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC643" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="c1" style="color: #998; font-style: italic;">-- ^ Type of list elements to be built</span></span>
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<pre style="margin: 0;"> <span id="LC644" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="p">((</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">m</span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span><span class="p">)</span> <span class="c1" style="color: #998; font-style: italic;">-- ^ Function that, given information about the 'Id's</span></span>
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<pre style="margin: 0;"> <span id="LC645" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- of the binders for the build worker function, returns</span></span>
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<li id="7685262a8a145335ec922d0a92ebb4a789bf0a3e">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#7685262a8a145335ec922d0a92ebb4a789bf0a3e"><strong>compiler/GHC/Core/Op/ConstantFold.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -61,7 +61,6 @@ import GHC.Core.Coercion (mkUnbranchedAxInstCo,mkSymCo,Role(..))</td>
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<pre style="margin: 0;"> <span id="LC61" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Applicative</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">Alternative</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">)</span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC62" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC63" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Monad</span></span>
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<pre style="margin: 0;">-<span id="LC64" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Control.Monad.Fail</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">MonadFail</span></span>
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<pre style="margin: 0;"> <span id="LC64" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Bits</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">Bits</span></span>
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<pre style="margin: 0;"> <span id="LC65" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Data.ByteString</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">BS</span></span>
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<pre style="margin: 0;"> <span id="LC66" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Int</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -796,11 +795,7 @@ instance Monad RuleM where</td>
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<pre style="margin: 0;"> <span id="LC795" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
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<pre style="margin: 0;"> <span id="LC796" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">runRuleM</span> <span class="p">(</span><span class="n" style="color: #333;">g</span> <span class="n" style="color: #333;">r</span><span class="p">)</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">iu</span> <span class="n" style="color: #333;">fn</span> <span class="n" style="color: #333;">args</span></span>
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<pre style="margin: 0;"> <span id="LC797" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC799" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">if</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">MIN_VERSION_base</span><span class="p">(</span><span class="mi" style="color: #099;">4</span><span class="p">,</span><span class="mi" style="color: #099;">13</span><span class="p">,</span><span class="mi" style="color: #099;">0</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC800" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">fail</span></span>
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<pre style="margin: 0;">-<span id="LC801" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">endif</span></span>
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<pre style="margin: 0;">-<span id="LC802" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC803" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="kt" style="color: #458; font-weight: 600;">RuleM</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC798" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="kt" style="color: #458; font-weight: 600;">RuleM</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC799" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mzero</span></span>
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<pre style="margin: 0;"> <span id="LC800" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC801" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Alternative</span> <span class="kt" style="color: #458; font-weight: 600;">RuleM</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<li id="d52bc1e90d7432064a2998de2a2751b6fecb7680">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#d52bc1e90d7432064a2998de2a2751b6fecb7680"><strong>compiler/GHC/Core/Op/Specialise.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -50,7 +50,6 @@ import UniqDFM</td>
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<pre style="margin: 0;"> <span id="LC50" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.TyCo.Rep</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyCoBinder</span> <span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">))</span></span>
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<pre style="margin: 0;"> <span id="LC51" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC52" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Monad</span></span>
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<pre style="margin: 0;">-<span id="LC53" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Control.Monad.Fail</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">MonadFail</span></span>
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<pre style="margin: 0;"> <span id="LC53" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC54" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>
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<pre style="margin: 0;"> <span id="LC55" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -2551,11 +2550,8 @@ instance Monad SpecM where</td>
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<pre style="margin: 0;"> <span id="LC2550" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">y</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;"> <span id="LC2551" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">SpecM</span> <span class="n" style="color: #333;">z</span> <span class="o" style="font-weight: 600;">-></span></span>
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<pre style="margin: 0;"> <span id="LC2552" class="line" lang="haskell"> <span class="n" style="color: #333;">z</span></span>
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<pre style="margin: 0;">-<span id="LC2554" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">if</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">MIN_VERSION_base</span><span class="p">(</span><span class="mi" style="color: #099;">4</span><span class="p">,</span><span class="mi" style="color: #099;">13</span><span class="p">,</span><span class="mi" style="color: #099;">0</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC2555" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">fail</span></span>
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<pre style="margin: 0;">-<span id="LC2556" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">endif</span></span>
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<pre style="margin: 0;"> <span id="LC2553" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC2558" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span><span class="o" style="font-weight: 600;"><span class="idiff left">.</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">MonadFail</span></span> <span class="kt" style="color: #458; font-weight: 600;">SpecM</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC2554" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="kt" style="color: #458; font-weight: 600;">SpecM</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC2555" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="n" style="color: #333;">str</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">SpecM</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">error</span> <span class="n" style="color: #333;">str</span></span>
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<pre style="margin: 0;"> <span id="LC2556" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC2557" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadUnique</span> <span class="kt" style="color: #458; font-weight: 600;">SpecM</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#89a2e0e1a3095c7a42b10f2819049908908080e8"><strong>compiler/GHC/Core/Unify.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -46,7 +46,6 @@ import UniqFM</td>
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<pre style="margin: 0;"> <span id="LC46" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">UniqSet</span></span>
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<pre style="margin: 0;"> <span id="LC47" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC48" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Monad</span></span>
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<pre style="margin: 0;">-<span id="LC49" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Control.Monad.Fail</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">MonadFail</span></span>
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<pre style="margin: 0;"> <span id="LC49" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Applicative</span> <span class="k" style="font-weight: 600;">hiding</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">empty</span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC50" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Control.Applicative</span></span>
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<pre style="margin: 0;"> <span id="LC51" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1244,9 +1243,6 @@ instance Applicative UM where</td>
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<pre style="margin: 0;"> <span id="LC1243" class="line" lang="haskell"> <span class="p">(</span><span class="o" style="font-weight: 600;"><*></span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ap</span></span>
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<pre style="margin: 0;"> <span id="LC1244" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC1245" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Monad</span> <span class="kt" style="color: #458; font-weight: 600;">UM</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC1247" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">if</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">MIN_VERSION_base</span><span class="p">(</span><span class="mi" style="color: #099;">4</span><span class="p">,</span><span class="mi" style="color: #099;">13</span><span class="p">,</span><span class="mi" style="color: #099;">0</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC1248" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">fail</span></span>
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<pre style="margin: 0;">-<span id="LC1249" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">endif</span></span>
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<pre style="margin: 0;"> <span id="LC1246" class="line" lang="haskell"> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="n" style="color: #333;">k</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">UM</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">state</span> <span class="o" style="font-weight: 600;">-></span></span>
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1247
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<pre style="margin: 0;"> <span id="LC1247" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">state'</span><span class="p">,</span> <span class="n" style="color: #333;">v</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">unUM</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">state</span></span>
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<pre style="margin: 0;"> <span id="LC1248" class="line" lang="haskell"> <span class="p">;</span> <span class="n" style="color: #333;">unUM</span> <span class="p">(</span><span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">v</span><span class="p">)</span> <span class="n" style="color: #333;">state'</span> <span class="p">})</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1260,7 +1256,7 @@ instance Alternative UM where</td>
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1256
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<pre style="margin: 0;"> <span id="LC1256" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC1257" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadPlus</span> <span class="kt" style="color: #458; font-weight: 600;">UM</span></span>
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1258
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<pre style="margin: 0;"> <span id="LC1258" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC1263" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span><span class="o" style="font-weight: 600;"><span class="idiff left">.</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">MonadFail</span></span> <span class="kt" style="color: #458; font-weight: 600;">UM</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC1259" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="kt" style="color: #458; font-weight: 600;">UM</span> <span class="kr" style="font-weight: 600;">where</span></span>
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1264
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<pre style="margin: 0;"> <span id="LC1260" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">UM</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SurelyApart</span><span class="p">)</span> <span class="c1" style="color: #998; font-style: italic;">-- failed pattern match</span></span>
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<pre style="margin: 0;"> <span id="LC1261" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC1262" class="line" lang="haskell"><span class="n" style="color: #333;">initUM</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TvSubstEnv</span> <span class="c1" style="color: #998; font-style: italic;">-- subst to extend</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#2da47fed955dc80b79c67ba640b94aeecf9d5524"><strong>compiler/basicTypes/UniqSupply.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -44,7 +44,6 @@ import MonadUtils</td>
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<pre style="margin: 0;"> <span id="LC44" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Monad</span></span>
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<pre style="margin: 0;"> <span id="LC45" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Bits</span></span>
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<pre style="margin: 0;"> <span id="LC46" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Char</span></span>
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<pre style="margin: 0;">-<span id="LC47" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Monad.Fail</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">Fail</span></span>
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<pre style="margin: 0;"> <span id="LC47" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC48" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">include</span> <span class="s" style="color: #d14;">"Unique.h"</span></span>
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<pre style="margin: 0;"> <span id="LC49" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -156,7 +155,7 @@ instance Applicative UniqSM where</td>
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<pre style="margin: 0;"> <span id="LC155" class="line" lang="haskell"> <span class="p">(</span><span class="o" style="font-weight: 600;">*></span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">thenUs_</span></span>
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<pre style="margin: 0;"> <span id="LC156" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC157" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- TODO: try to get rid of this instance</span></span>
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<pre style="margin: 0;">-<span id="LC159" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Fail</span></span><span class="o" style="font-weight: 600;"><span class="idiff right">.</span></span><span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="kt" style="color: #458; font-weight: 600;">UniqSM</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC158" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="kt" style="color: #458; font-weight: 600;">UniqSM</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC159" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">panic</span></span>
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<pre style="margin: 0;"> <span id="LC160" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC161" class="line" lang="haskell"><span class="cd">-- | Run the 'UniqSM' action, returning the final 'UniqSupply'</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#37f9ffe79432abcd1805c1b2cb593d749387ec44"><strong>compiler/main/SysTools/Process.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -36,14 +36,10 @@ import FileCleanup</td>
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<pre style="margin: 0;"> <span id="LC36" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @process >= 1.6.8.0@).</span></span>
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<pre style="margin: 0;"> <span id="LC37" class="line" lang="haskell"><span class="n" style="color: #333;">enableProcessJobs</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CreateProcess</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CreateProcess</span></span>
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<pre style="margin: 0;"> <span id="LC38" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">defined</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MIN_VERSION_process</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC39" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">if</span> <span class="kt" style="color: #458; font-weight: 600;">MIN_VERSION_process</span><span class="p">(</span><span class="mi" style="color: #099;">1</span><span class="p">,</span><span class="mi" style="color: #099;">6</span><span class="p">,</span><span class="mi" style="color: #099;">8</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC39" class="line" lang="haskell"><span class="n" style="color: #333;">enableProcessJobs</span> <span class="n" style="color: #333;">opts</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">opts</span> <span class="p">{</span> <span class="n" style="color: #333;">use_process_jobs</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">True</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC40" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">else</span></span>
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<pre style="margin: 0;"> <span id="LC41" class="line" lang="haskell"><span class="n" style="color: #333;">enableProcessJobs</span> <span class="n" style="color: #333;">opts</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">opts</span></span>
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<pre style="margin: 0;"> <span id="LC42" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">endif</span></span>
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<pre style="margin: 0;">-<span id="LC44" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">else</span></span>
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<pre style="margin: 0;">-<span id="LC45" class="line" lang="haskell"><span class="n" style="color: #333;">enableProcessJobs</span> <span class="n" style="color: #333;">opts</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">opts</span></span>
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<pre style="margin: 0;">-<span id="LC46" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">endif</span></span>
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<pre style="margin: 0;"> <span id="LC43" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC44" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Similar to System.Process.readCreateProcessWithExitCode, but stderr is</span></span>
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<pre style="margin: 0;"> <span id="LC45" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- inherited from the parent process, and output to stderr is not captured.</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#d2ddf5ce2d076f8584d9825af8ea0d7ea0a38813"><strong>compiler/typecheck/TcRnTypes.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -124,7 +124,6 @@ import PrelNames ( isUnboundName )</td>
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<pre style="margin: 0;"> <span id="LC124" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">CostCentreState</span></span>
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<pre style="margin: 0;"> <span id="LC125" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC126" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Monad</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">ap</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC127" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Control.Monad.Fail</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">MonadFail</span></span>
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<pre style="margin: 0;"> <span id="LC127" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Set</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">Set</span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC128" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Data.Set</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">S</span></span>
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<pre style="margin: 0;"> <span id="LC129" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1653,14 +1652,11 @@ instance Applicative TcPluginM where</td>
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<pre style="margin: 0;"> <span id="LC1652" class="line" lang="haskell"> <span class="p">(</span><span class="o" style="font-weight: 600;"><*></span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ap</span></span>
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<pre style="margin: 0;"> <span id="LC1653" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC1654" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Monad</span> <span class="kt" style="color: #458; font-weight: 600;">TcPluginM</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC1656" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">if</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">MIN_VERSION_base</span><span class="p">(</span><span class="mi" style="color: #099;">4</span><span class="p">,</span><span class="mi" style="color: #099;">13</span><span class="p">,</span><span class="mi" style="color: #099;">0</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC1657" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">fail</span></span>
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<pre style="margin: 0;">-<span id="LC1658" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">endif</span></span>
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<pre style="margin: 0;"> <span id="LC1655" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">TcPluginM</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="n" style="color: #333;">k</span> <span class="o" style="font-weight: 600;">=</span></span>
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<pre style="margin: 0;"> <span id="LC1656" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">TcPluginM</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="n" style="color: #333;">ev</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">ev</span></span>
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<pre style="margin: 0;"> <span id="LC1657" class="line" lang="haskell"> <span class="n" style="color: #333;">runTcPluginM</span> <span class="p">(</span><span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="n" style="color: #333;">ev</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC1658" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC1663" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span><span class="o" style="font-weight: 600;"><span class="idiff left">.</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">MonadFail</span></span> <span class="kt" style="color: #458; font-weight: 600;">TcPluginM</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC1659" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="kt" style="color: #458; font-weight: 600;">TcPluginM</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC1660" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TcPluginM</span> <span class="p">(</span><span class="n" style="color: #333;">const</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">fail</span> <span class="n" style="color: #333;">x</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC1661" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC1662" class="line" lang="haskell"><span class="n" style="color: #333;">runTcPluginM</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TcPluginM</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">EvBindsVar</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="n" style="color: #333;">a</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#088b49348926372d4b44b4f836a02df001856987"><strong>compiler/typecheck/TcSMonad.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -177,7 +177,6 @@ import Maybes</td>
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177
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<pre style="margin: 0;"> <span id="LC177" class="line" lang="haskell"></span>
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178
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<pre style="margin: 0;"> <span id="LC178" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Map</span></span>
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<pre style="margin: 0;"> <span id="LC179" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Monad</span></span>
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180
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<pre style="margin: 0;">-<span id="LC180" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Control.Monad.Fail</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">MonadFail</span></span>
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<pre style="margin: 0;"> <span id="LC180" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">MonadUtils</span></span>
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<pre style="margin: 0;"> <span id="LC181" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.IORef</span></span>
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<pre style="margin: 0;"> <span id="LC182" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.List</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">partition</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mapAccumL</span> <span class="p">)</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -2699,12 +2698,9 @@ instance Applicative TcS where</td>
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<pre style="margin: 0;"> <span id="LC2698" class="line" lang="haskell"> <span class="p">(</span><span class="o" style="font-weight: 600;"><*></span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ap</span></span>
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<pre style="margin: 0;"> <span id="LC2699" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC2700" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Monad</span> <span class="kt" style="color: #458; font-weight: 600;">TcS</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC2702" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">if</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">MIN_VERSION_base</span><span class="p">(</span><span class="mi" style="color: #099;">4</span><span class="p">,</span><span class="mi" style="color: #099;">13</span><span class="p">,</span><span class="mi" style="color: #099;">0</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC2703" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">fail</span></span>
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<pre style="margin: 0;">-<span id="LC2704" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">endif</span></span>
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<pre style="margin: 0;"> <span id="LC2701" class="line" lang="haskell"> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="n" style="color: #333;">k</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TcS</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">ebs</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">unTcS</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">ebs</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">unTcS</span> <span class="p">(</span><span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">r</span><span class="p">)</span> <span class="n" style="color: #333;">ebs</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC2702" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC2707" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span><span class="o" style="font-weight: 600;"><span class="idiff left">.</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">MonadFail</span></span> <span class="kt" style="color: #458; font-weight: 600;">TcS</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC2703" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="kt" style="color: #458; font-weight: 600;">TcS</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC2704" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="n" style="color: #333;">err</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TcS</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">fail</span> <span class="n" style="color: #333;">err</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC2705" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC2706" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadUnique</span> <span class="kt" style="color: #458; font-weight: 600;">TcS</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#42f7098b2e474179480d39d90b79057ae297eb50"><strong>compiler/utils/Binary.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -829,12 +829,10 @@ instance Binary RuntimeRep where</td>
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829
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829
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<pre style="margin: 0;"> <span id="LC829" class="line" lang="haskell"> <span class="n" style="color: #333;">put_</span> <span class="n" style="color: #333;">bh</span> <span class="kt" style="color: #458; font-weight: 600;">AddrRep</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">putByte</span> <span class="n" style="color: #333;">bh</span> <span class="mi" style="color: #099;">9</span></span>
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830
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830
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<pre style="margin: 0;"> <span id="LC830" class="line" lang="haskell"> <span class="n" style="color: #333;">put_</span> <span class="n" style="color: #333;">bh</span> <span class="kt" style="color: #458; font-weight: 600;">FloatRep</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">putByte</span> <span class="n" style="color: #333;">bh</span> <span class="mi" style="color: #099;">10</span></span>
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831
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831
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<pre style="margin: 0;"> <span id="LC831" class="line" lang="haskell"> <span class="n" style="color: #333;">put_</span> <span class="n" style="color: #333;">bh</span> <span class="kt" style="color: #458; font-weight: 600;">DoubleRep</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">putByte</span> <span class="n" style="color: #333;">bh</span> <span class="mi" style="color: #099;">11</span></span>
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832
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<pre style="margin: 0;">-<span id="LC832" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">__GLASGOW_HASKELL__</span> <span class="o" style="font-weight: 600;">>=</span> <span class="mi" style="color: #099;">807</span></span>
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833
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832
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<pre style="margin: 0;"> <span id="LC832" class="line" lang="haskell"> <span class="n" style="color: #333;">put_</span> <span class="n" style="color: #333;">bh</span> <span class="kt" style="color: #458; font-weight: 600;">Int8Rep</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">putByte</span> <span class="n" style="color: #333;">bh</span> <span class="mi" style="color: #099;">12</span></span>
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834
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833
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<pre style="margin: 0;"> <span id="LC833" class="line" lang="haskell"> <span class="n" style="color: #333;">put_</span> <span class="n" style="color: #333;">bh</span> <span class="kt" style="color: #458; font-weight: 600;">Word8Rep</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">putByte</span> <span class="n" style="color: #333;">bh</span> <span class="mi" style="color: #099;">13</span></span>
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835
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834
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<pre style="margin: 0;"> <span id="LC834" class="line" lang="haskell"> <span class="n" style="color: #333;">put_</span> <span class="n" style="color: #333;">bh</span> <span class="kt" style="color: #458; font-weight: 600;">Int16Rep</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">putByte</span> <span class="n" style="color: #333;">bh</span> <span class="mi" style="color: #099;">14</span></span>
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836
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835
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<pre style="margin: 0;"> <span id="LC835" class="line" lang="haskell"> <span class="n" style="color: #333;">put_</span> <span class="n" style="color: #333;">bh</span> <span class="kt" style="color: #458; font-weight: 600;">Word16Rep</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">putByte</span> <span class="n" style="color: #333;">bh</span> <span class="mi" style="color: #099;">15</span></span>
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837
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<pre style="margin: 0;">-<span id="LC837" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">endif</span></span>
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838
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836
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<pre style="margin: 0;"> <span id="LC836" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">__GLASGOW_HASKELL__</span> <span class="o" style="font-weight: 600;">>=</span> <span class="mi" style="color: #099;">809</span></span>
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839
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837
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<pre style="margin: 0;"> <span id="LC837" class="line" lang="haskell"> <span class="n" style="color: #333;">put_</span> <span class="n" style="color: #333;">bh</span> <span class="kt" style="color: #458; font-weight: 600;">Int32Rep</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">putByte</span> <span class="n" style="color: #333;">bh</span> <span class="mi" style="color: #099;">16</span></span>
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840
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838
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<pre style="margin: 0;"> <span id="LC838" class="line" lang="haskell"> <span class="n" style="color: #333;">put_</span> <span class="n" style="color: #333;">bh</span> <span class="kt" style="color: #458; font-weight: 600;">Word32Rep</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">putByte</span> <span class="n" style="color: #333;">bh</span> <span class="mi" style="color: #099;">17</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -855,12 +853,10 @@ instance Binary RuntimeRep where</td>
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<pre style="margin: 0;"> <span id="LC853" class="line" lang="haskell"> <span class="mi" style="color: #099;">9</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">AddrRep</span></span>
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856
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854
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<pre style="margin: 0;"> <span id="LC854" class="line" lang="haskell"> <span class="mi" style="color: #099;">10</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">FloatRep</span></span>
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855
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<pre style="margin: 0;"> <span id="LC855" class="line" lang="haskell"> <span class="mi" style="color: #099;">11</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">DoubleRep</span></span>
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858
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<pre style="margin: 0;">-<span id="LC858" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">__GLASGOW_HASKELL__</span> <span class="o" style="font-weight: 600;">>=</span> <span class="mi" style="color: #099;">807</span></span>
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859
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856
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<pre style="margin: 0;"> <span id="LC856" class="line" lang="haskell"> <span class="mi" style="color: #099;">12</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">Int8Rep</span></span>
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860
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857
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<pre style="margin: 0;"> <span id="LC857" class="line" lang="haskell"> <span class="mi" style="color: #099;">13</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">Word8Rep</span></span>
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861
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858
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<pre style="margin: 0;"> <span id="LC858" class="line" lang="haskell"> <span class="mi" style="color: #099;">14</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">Int16Rep</span></span>
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862
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859
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<pre style="margin: 0;"> <span id="LC859" class="line" lang="haskell"> <span class="mi" style="color: #099;">15</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">Word16Rep</span></span>
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863
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<pre style="margin: 0;">-<span id="LC863" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">endif</span></span>
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864
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860
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<pre style="margin: 0;"> <span id="LC860" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">__GLASGOW_HASKELL__</span> <span class="o" style="font-weight: 600;">>=</span> <span class="mi" style="color: #099;">809</span></span>
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865
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861
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<pre style="margin: 0;"> <span id="LC861" class="line" lang="haskell"> <span class="mi" style="color: #099;">16</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">Int32Rep</span></span>
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866
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862
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<pre style="margin: 0;"> <span id="LC862" class="line" lang="haskell"> <span class="mi" style="color: #099;">17</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">Word32Rep</span></span>
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<li id="f2c7b28d0209d7810a94225b720fb9f9ac70c354">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#f2c7b28d0209d7810a94225b720fb9f9ac70c354"><strong>compiler/utils/IOEnv.hs</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="43" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="43" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -43,7 +43,6 @@ import Data.IORef ( IORef, newIORef, readIORef, writeIORef, modifyIORef,</td>
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43
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43
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<pre style="margin: 0;"> <span id="LC43" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">System.IO.Unsafe</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">unsafeInterleaveIO</span> <span class="p">)</span></span>
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44
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44
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<pre style="margin: 0;"> <span id="LC44" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">System.IO</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">fixIO</span> <span class="p">)</span></span>
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45
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<pre style="margin: 0;"> <span id="LC45" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Monad</span></span>
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46
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<pre style="margin: 0;">-<span id="LC46" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Control.Monad.Fail</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">MonadFail</span></span>
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47
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46
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<pre style="margin: 0;"> <span id="LC46" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">MonadUtils</span></span>
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48
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<pre style="margin: 0;"> <span id="LC47" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Applicative</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Alternative</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">))</span></span>
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49
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48
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<pre style="margin: 0;"> <span id="LC48" class="line" lang="haskell"></span>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="59" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -60,11 +59,8 @@ unIOEnv (IOEnv m) = m</td>
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60
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59
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<pre style="margin: 0;"> <span id="LC59" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Monad</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">IOEnv</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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61
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60
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<pre style="margin: 0;"> <span id="LC60" class="line" lang="haskell"> <span class="p">(</span><span class="o" style="font-weight: 600;">>>=</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">thenM</span></span>
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62
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61
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<pre style="margin: 0;"> <span id="LC61" class="line" lang="haskell"> <span class="p">(</span><span class="o" style="font-weight: 600;">>></span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="o" style="font-weight: 600;">*></span><span class="p">)</span></span>
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63
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<pre style="margin: 0;">-<span id="LC63" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">if</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">MIN_VERSION_base</span><span class="p">(</span><span class="mi" style="color: #099;">4</span><span class="p">,</span><span class="mi" style="color: #099;">13</span><span class="p">,</span><span class="mi" style="color: #099;">0</span><span class="p">)</span></span>
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64
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<pre style="margin: 0;">-<span id="LC64" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">fail</span></span>
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<pre style="margin: 0;">-<span id="LC65" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">endif</span></span>
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<pre style="margin: 0;"> <span id="LC62" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC67" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span><span class="o" style="font-weight: 600;"><span class="idiff left">.</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">MonadFail</span></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">IOEnv</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC63" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">IOEnv</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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68
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<pre style="margin: 0;"> <span id="LC64" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">failM</span> <span class="c1" style="color: #998; font-style: italic;">-- Ignore the string</span></span>
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<pre style="margin: 0;"> <span id="LC65" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC66" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Applicative</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">IOEnv</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#87db583be5c13c1f7b3c958b10e03d67b6a2ca06"><strong>configure.ac</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -158,8 +158,8 @@ if test "$WithGhc" = ""</td>
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<pre style="margin: 0;"> <span id="LC158" class="line" lang="plaintext">then</span>
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<pre style="margin: 0;"> <span id="LC159" class="line" lang="plaintext"> AC_MSG_ERROR([GHC is required.])</span>
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<pre style="margin: 0;"> <span id="LC160" class="line" lang="plaintext">fi</span>
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<pre style="margin: 0;">-<span id="LC161" class="line" lang="plaintext">FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[8.<span class="idiff left right">6</span>],</span>
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<pre style="margin: 0;">-<span id="LC162" class="line" lang="plaintext"> [AC_MSG_ERROR([GHC version 8.<span class="idiff left right">6</span> or later is required to compile GHC.])])</span>
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<pre style="margin: 0;">+<span id="LC161" class="line" lang="plaintext">FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[8.<span class="idiff left right">8</span>],</span>
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<pre style="margin: 0;">+<span id="LC162" class="line" lang="plaintext"> [AC_MSG_ERROR([GHC version 8.<span class="idiff left right">8</span> or later is required to compile GHC.])])</span>
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<pre style="margin: 0;"> <span id="LC163" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC164" class="line" lang="plaintext">if test `expr $GhcMinVersion % 2` = "1"</span>
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<pre style="margin: 0;"> <span id="LC165" class="line" lang="plaintext">then</span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#b71856f5728e262c6f67455997507c6fa2ede3b9"><strong>hadrian/src/Hadrian/Utilities.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -40,7 +40,6 @@ import Data.Char</td>
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<pre style="margin: 0;"> <span id="LC40" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Dynamic</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Dynamic</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">fromDynamic</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">toDyn</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC41" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Functor</span></span>
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<pre style="margin: 0;"> <span id="LC42" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.HashMap.Strict</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HashMap</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC43" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.List</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">isPrefixOf</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC43" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.List.Extra</span></span>
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<pre style="margin: 0;"> <span id="LC44" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Maybe</span></span>
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<pre style="margin: 0;"> <span id="LC45" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Typeable</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeRep</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">typeOf</span><span class="p">)</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#88aba3facfb6ad447031cb0f794a80fa9edef072"><strong>hadrian/src/Settings/Builders/Cabal.hs</strong></a>
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<pre style="margin: 0;"> <span id="LC1" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">Settings.Builders.Cabal</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">cabalBuilderArgs</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC2" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC3" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Hadrian.Builder</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">getBuilderPath</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">needBuilder</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC3" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Hadrian.Haskell.Cabal</span></span>
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<pre style="margin: 0;"> <span id="LC4" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC5" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Builder</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#52ac3fb9d79a975886f930e407b4c98c993e9e8e"><strong>hadrian/src/Settings/Builders/Ghc.hs</strong></a>
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<pre style="margin: 0;"> <span id="LC2" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC3" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">Settings.Builders.Ghc</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">ghcBuilderArgs</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">haddockGhcArgs</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC4" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC5" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.List.Extra</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">splitOn</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC6" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC5" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Hadrian.Haskell.Cabal</span></span>
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<pre style="margin: 0;"> <span id="LC6" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Hadrian.Haskell.Cabal.Type</span></span>
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<pre style="margin: 0;"> <span id="LC7" class="line" lang="haskell"></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#8ad3bef656fcb7fe1ad05c31b0157d93b17a0d0f"><strong>libraries/base/Control/Monad/ST/Lazy/Imp.hs</strong></a>
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<pre style="margin: 0;"> <span id="LC8" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Module : Control.Monad.ST.Lazy.Imp</span></span>
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<pre style="margin: 0;"> <span id="LC9" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Copyright : (c) The University of Glasgow 2001</span></span>
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<pre style="margin: 0;"> <span id="LC10" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- License : BSD-style (see the file libraries/base/LICENSE)</span></span>
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<pre style="margin: 0;">-<span id="LC11" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--<span class="idiff left right"> </span></span></span>
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<pre style="margin: 0;">+<span id="LC11" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<pre style="margin: 0;"> <span id="LC12" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Maintainer : libraries@haskell.org</span></span>
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<pre style="margin: 0;"> <span id="LC13" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Stability : provisional</span></span>
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<pre style="margin: 0;"> <span id="LC14" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Portability : non-portable (requires universal quantification for runST)</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -44,7 +44,6 @@ import qualified Control.Monad.ST.Unsafe as ST</td>
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<pre style="margin: 0;"> <span id="LC44" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC45" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">GHC.ST</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">GHC.ST</span></span>
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<pre style="margin: 0;"> <span id="LC46" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Base</span></span>
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<pre style="margin: 0;">-<span id="LC47" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Control.Monad.Fail</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">Fail</span></span>
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<pre style="margin: 0;"> <span id="LC47" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC48" class="line" lang="haskell"><span class="cd">-- | The lazy @'ST' monad.</span></span>
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<pre style="margin: 0;"> <span id="LC49" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- The ST monad allows for destructive updates, but is escapable (unlike IO).</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -192,7 +191,7 @@ instance Monad (ST s) where</td>
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<pre style="margin: 0;"> <span id="LC191" class="line" lang="haskell"> <span class="n" style="color: #333;">unST</span> <span class="p">(</span><span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">r</span><span class="p">)</span> <span class="n" style="color: #333;">new_s</span></span>
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<pre style="margin: 0;"> <span id="LC192" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC193" class="line" lang="haskell"><span class="cd">-- | @since 4.10</span></span>
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<pre style="margin: 0;">-<span id="LC195" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Fail</span></span><span class="o" style="font-weight: 600;"><span class="idiff right">.</span></span><span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ST</span> <span class="n" style="color: #333;">s</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC194" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ST</span> <span class="n" style="color: #333;">s</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC195" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">errorWithoutStackTrace</span> <span class="n" style="color: #333;">s</span></span>
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<pre style="margin: 0;"> <span id="LC196" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC197" class="line" lang="haskell"><span class="cd">-- | Return the value computed by an 'ST' computation.</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -205,8 +204,8 @@ runST (ST st) = runRW# (\s -> case st (S# s) of (r, _) -> r)</td>
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<pre style="margin: 0;"> <span id="LC204" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- inside the computation.</span></span>
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<pre style="margin: 0;"> <span id="LC205" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Note that if @f@ is strict, @'fixST' f = _|_@.</span></span>
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<pre style="margin: 0;"> <span id="LC206" class="line" lang="haskell"><span class="n" style="color: #333;">fixST</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ST</span> <span class="n" style="color: #333;">s</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ST</span> <span class="n" style="color: #333;">s</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC208" class="line" lang="haskell"><span class="n" style="color: #333;">fixST</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ST</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">-></span><span class="idiff left right"> </span></span>
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<pre style="margin: 0;">-<span id="LC209" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">let</span><span class="idiff left right"> </span></span>
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<pre style="margin: 0;">+<span id="LC207" class="line" lang="haskell"><span class="n" style="color: #333;">fixST</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ST</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">-></span></span>
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<pre style="margin: 0;">+<span id="LC208" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">let</span></span>
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<pre style="margin: 0;"> <span id="LC209" class="line" lang="haskell"> <span class="n" style="color: #333;">q</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="n" style="color: #333;">r</span><span class="p">,</span><span class="n" style="color: #333;">_s'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">unST</span> <span class="p">(</span><span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">r</span><span class="p">)</span> <span class="n" style="color: #333;">s</span></span>
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<pre style="margin: 0;"> <span id="LC210" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">in</span> <span class="n" style="color: #333;">q</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC211" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Why don't we need unsafePerformIO in fixST? We create a thunk, q,</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -233,7 +232,7 @@ strictToLazyST (GHC.ST.ST m) = ST $ \(S# s) -></td>
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<pre style="margin: 0;"> <span id="LC232" class="line" lang="haskell"> <span class="p">(</span><span class="o" style="font-weight: 600;">#</span> <span class="n" style="color: #333;">s'</span><span class="p">,</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">#</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">S</span><span class="o" style="font-weight: 600;">#</span> <span class="n" style="color: #333;">s'</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC233" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [Lazy ST: not producing lazy pairs]</span></span>
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<pre style="margin: 0;"> <span id="LC234" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC236" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-|<span class="idiff left right"> </span></span></span>
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<pre style="margin: 0;">+<span id="LC235" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-|</span></span>
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<pre style="margin: 0;"> <span id="LC236" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Convert a lazy 'ST' computation into a strict one.</span></span>
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<pre style="margin: 0;"> <span id="LC237" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;"> <span id="LC238" class="line" lang="haskell"><span class="n" style="color: #333;">lazyToStrictST</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">ST</span> <span class="n" style="color: #333;">s</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ST</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">ST</span> <span class="n" style="color: #333;">s</span> <span class="n" style="color: #333;">a</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#5e321c9c3221e24978460809ff4240f59bc9b67a"><strong>libraries/base/GHC/ST.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -26,7 +26,7 @@ module GHC.ST (</td>
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<pre style="margin: 0;"> <span id="LC26" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC27" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Base</span></span>
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<pre style="margin: 0;"> <span id="LC28" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Show</span></span>
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<pre style="margin: 0;">-<span id="LC29" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;"><span class="idiff left">qualified</span></span><span class="idiff"> </span><span class="nn" style="color: #555;"><span class="idiff">Control.Monad.Fail</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">as</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">Fail</span></span>
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<pre style="margin: 0;">+<span id="LC29" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;"><span class="idiff left right">Control.Monad.</span>Fail</span></span>
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<pre style="margin: 0;"> <span id="LC30" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC31" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">default</span> <span class="nb" style="color: #0086b3;">()</span></span>
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<pre style="margin: 0;"> <span id="LC32" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -79,7 +79,7 @@ instance Monad (ST s) where</td>
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<pre style="margin: 0;"> <span id="LC79" class="line" lang="haskell"> <span class="p">(</span><span class="n" style="color: #333;">k2</span> <span class="n" style="color: #333;">new_s</span><span class="p">)</span> <span class="p">}})</span></span>
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<pre style="margin: 0;"> <span id="LC80" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC81" class="line" lang="haskell"><span class="cd">-- | @since 4.11.0.0</span></span>
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<pre style="margin: 0;">-<span id="LC82" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Fail</span></span><span class="o" style="font-weight: 600;"><span class="idiff right">.</span></span><span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ST</span> <span class="n" style="color: #333;">s</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC82" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ST</span> <span class="n" style="color: #333;">s</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC83" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">errorWithoutStackTrace</span> <span class="n" style="color: #333;">s</span></span>
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<pre style="margin: 0;"> <span id="LC84" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC85" class="line" lang="haskell"><span class="cd">-- | @since 4.11.0.0</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#8daaf55c119093341902a75a70f342a026ae5589"><strong>libraries/base/Text/ParserCombinators/ReadPrec.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -64,7 +64,7 @@ import qualified Text.ParserCombinators.ReadP as ReadP</td>
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<pre style="margin: 0;"> <span id="LC64" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Num</span><span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">Num</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">)</span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC65" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Base</span></span>
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<pre style="margin: 0;"> <span id="LC66" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC67" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;"><span class="idiff left">qualified</span></span><span class="idiff"> </span><span class="nn" style="color: #555;"><span class="idiff">Control.Monad.Fail</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">as</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">Monad</span>Fail</span></span>
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<pre style="margin: 0;">+<span id="LC67" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;"><span class="idiff left right">Control.Monad.</span>Fail</span></span>
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<pre style="margin: 0;"> <span id="LC68" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC69" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- ---------------------------------------------------------------------------</span></span>
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<pre style="margin: 0;"> <span id="LC70" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- The readPrec type</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -88,8 +88,8 @@ instance Monad ReadPrec where</td>
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<pre style="margin: 0;"> <span id="LC88" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">P</span> <span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="n" style="color: #333;">k</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">P</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">n</span><span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="kt" style="color: #458; font-weight: 600;">P</span> <span class="n" style="color: #333;">f'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">a</span> <span class="kr" style="font-weight: 600;">in</span> <span class="n" style="color: #333;">f'</span> <span class="n" style="color: #333;">n</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC89" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC90" class="line" lang="haskell"><span class="cd">-- | @since 4.9.0.0</span></span>
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<pre style="margin: 0;">-<span id="LC91" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span><span class="o" style="font-weight: 600;"><span class="idiff left">.</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">MonadFail</span></span> <span class="kt" style="color: #458; font-weight: 600;">ReadPrec</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC92" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">P</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">MonadFail</span></span><span class="o" style="font-weight: 600;"><span class="idiff right">.</span></span><span class="n" style="color: #333;">fail</span> <span class="n" style="color: #333;">s</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC91" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="kt" style="color: #458; font-weight: 600;">ReadPrec</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC92" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">P</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">fail</span> <span class="n" style="color: #333;">s</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC93" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC94" class="line" lang="haskell"><span class="cd">-- | @since 2.01</span></span>
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<pre style="margin: 0;"> <span id="LC95" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadPlus</span> <span class="kt" style="color: #458; font-weight: 600;">ReadPrec</span></span>
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<li id="064db86e2ece7ebdb10fc3cde509b748c2792700">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#064db86e2ece7ebdb10fc3cde509b748c2792700"><strong>libraries/ghci/GHCi/TH.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -97,7 +97,6 @@ import GHCi.RemoteTypes</td>
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<pre style="margin: 0;"> <span id="LC97" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Serialized</span></span>
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<pre style="margin: 0;"> <span id="LC98" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC99" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Exception</span></span>
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<pre style="margin: 0;">-<span id="LC100" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Control.Monad.Fail</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">Fail</span></span>
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<pre style="margin: 0;"> <span id="LC100" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Monad.IO.Class</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MonadIO</span> <span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">))</span></span>
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<pre style="margin: 0;"> <span id="LC101" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Binary</span></span>
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<pre style="margin: 0;"> <span id="LC102" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Binary.Put</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -144,11 +143,8 @@ instance Monad GHCiQ where</td>
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<pre style="margin: 0;"> <span id="LC143" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">do</span> <span class="p">(</span><span class="n" style="color: #333;">m'</span><span class="p">,</span> <span class="n" style="color: #333;">s'</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">runGHCiQ</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">s</span></span>
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<pre style="margin: 0;"> <span id="LC144" class="line" lang="haskell"> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="n" style="color: #333;">s''</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">runGHCiQ</span> <span class="p">(</span><span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m'</span><span class="p">)</span> <span class="n" style="color: #333;">s'</span></span>
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<pre style="margin: 0;"> <span id="LC145" class="line" lang="haskell"> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="n" style="color: #333;">s''</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC147" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">if</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">MIN_VERSION_base</span><span class="p">(</span><span class="mi" style="color: #099;">4</span><span class="p">,</span><span class="mi" style="color: #099;">13</span><span class="p">,</span><span class="mi" style="color: #099;">0</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC148" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Fail</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">fail</span></span>
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<pre style="margin: 0;">-<span id="LC149" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">endif</span></span>
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<pre style="margin: 0;"> <span id="LC146" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC151" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Fail</span></span><span class="o" style="font-weight: 600;"><span class="idiff right">.</span></span><span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="kt" style="color: #458; font-weight: 600;">GHCiQ</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC147" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="kt" style="color: #458; font-weight: 600;">GHCiQ</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC148" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="n" style="color: #333;">err</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">GHCiQ</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">throwIO</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">GHCiQException</span> <span class="n" style="color: #333;">s</span> <span class="n" style="color: #333;">err</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC149" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC150" class="line" lang="haskell"><span class="n" style="color: #333;">getState</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">GHCiQ</span> <span class="kt" style="color: #458; font-weight: 600;">QState</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69719d17e08272418eea0a13407aa72455bd9079#ed3c6537b674490396f9cab5cbb014ee54e71168"><strong>libraries/template-haskell/Language/Haskell/TH/Syntax.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -52,15 +52,13 @@ import Numeric.Natural</td>
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<pre style="margin: 0;"> <span id="LC52" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Prelude</span></span>
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<pre style="margin: 0;"> <span id="LC53" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Foreign.ForeignPtr</span></span>
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<pre style="margin: 0;"> <span id="LC54" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC55" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Control.Monad.Fail</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">Fail</span></span>
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<pre style="margin: 0;">-<span id="LC56" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC55" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-----------------------------------------------------</span></span>
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<pre style="margin: 0;"> <span id="LC56" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<pre style="margin: 0;"> <span id="LC57" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- The Quasi class</span></span>
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<pre style="margin: 0;"> <span id="LC58" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<pre style="margin: 0;"> <span id="LC59" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-----------------------------------------------------</span></span>
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<pre style="margin: 0;"> <span id="LC60" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC63" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">class</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MonadIO</span> <span class="n" style="color: #333;">m</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Fail</span></span><span class="o" style="font-weight: 600;"><span class="idiff right">.</span></span><span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">Quasi</span> <span class="n" style="color: #333;">m</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC61" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">class</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MonadIO</span> <span class="n" style="color: #333;">m</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">Quasi</span> <span class="n" style="color: #333;">m</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC62" class="line" lang="haskell"> <span class="n" style="color: #333;">qNewName</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">String</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">m</span> <span class="kt" style="color: #458; font-weight: 600;">Name</span></span>
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<pre style="margin: 0;"> <span id="LC63" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- ^ Fresh names</span></span>
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<pre style="margin: 0;"> <span id="LC64" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -187,12 +185,9 @@ runQ (Q m) = m</td>
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<pre style="margin: 0;"> <span id="LC185" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Monad</span> <span class="kt" style="color: #458; font-weight: 600;">Q</span> <span class="kr" style="font-weight: 600;">where</span></span>
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188
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<pre style="margin: 0;"> <span id="LC186" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Q</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="n" style="color: #333;">k</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Q</span> <span class="p">(</span><span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">unQ</span> <span class="p">(</span><span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">x</span><span class="p">))</span></span>
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<pre style="margin: 0;"> <span id="LC187" class="line" lang="haskell"> <span class="p">(</span><span class="o" style="font-weight: 600;">>></span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="o" style="font-weight: 600;">*></span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC190" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">if</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">MIN_VERSION_base</span><span class="p">(</span><span class="mi" style="color: #099;">4</span><span class="p">,</span><span class="mi" style="color: #099;">13</span><span class="p">,</span><span class="mi" style="color: #099;">0</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC191" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Fail</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">fail</span></span>
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<pre style="margin: 0;">-<span id="LC192" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">endif</span></span>
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<pre style="margin: 0;"> <span id="LC188" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC194" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Fail</span></span><span class="o" style="font-weight: 600;"><span class="idiff right">.</span></span><span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="kt" style="color: #458; font-weight: 600;">Q</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC195" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">report</span> <span class="kt" style="color: #458; font-weight: 600;">True</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">>></span> <span class="kt" style="color: #458; font-weight: 600;">Q</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Fail</span></span><span class="o" style="font-weight: 600;"><span class="idiff right">.</span></span><span class="n" style="color: #333;">fail</span> <span class="s" style="color: #d14;">"Q monad failure"</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC189" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">MonadFail</span> <span class="kt" style="color: #458; font-weight: 600;">Q</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC190" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">report</span> <span class="kt" style="color: #458; font-weight: 600;">True</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">>></span> <span class="kt" style="color: #458; font-weight: 600;">Q</span> <span class="p">(</span><span class="n" style="color: #333;">fail</span> <span class="s" style="color: #d14;">"Q monad failure"</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC191" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC192" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Functor</span> <span class="kt" style="color: #458; font-weight: 600;">Q</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC193" class="line" lang="haskell"> <span class="n" style="color: #333;">fmap</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Q</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Q</span> <span class="p">(</span><span class="n" style="color: #333;">fmap</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">x</span><span class="p">)</span></span>
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