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<h3>
Ben Gamari pushed to branch wip/backports
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/308fe4db16120949c4b60a34531b5bf850794d69">308fe4db</a></strong>
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<span>by GHC GitLab CI</span>
<i>at 2020-06-30T14:18:56+00:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Accept testsuite changes
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<h4>6 changed files:</h4>
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<a href="#ea4f51a976b9743cbc2a92fb997584e05608c827">
testsuite/tests/dependent/should_fail/SelfDep.stderr
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<li class="file-stats">
<a href="#7005752417ffd3836fbaab9cd90fb9bbba7dac5b">
testsuite/tests/dependent/should_fail/T16344.stderr
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<li class="file-stats">
<a href="#89050140750852f57ef647b9377a3565fff890f1">
testsuite/tests/partial-sigs/should_compile/T15039b.stderr
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<li class="file-stats">
<a href="#29ba9df6017b4296b865732f49ae95338ccdd477">
testsuite/tests/partial-sigs/should_compile/T15039d.stderr
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<li class="file-stats">
<a href="#0e2373e77f60c05303a652dac0dc8124b4dc205b">
testsuite/tests/polykinds/PolyKinds06.stderr
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<a href="#9ee8c138e2d282c006dceec6dbfb829365d257dd">
testsuite/tests/typecheck/should_fail/T7892.stderr
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<h4>Changes:</h4>
<li id="ea4f51a976b9743cbc2a92fb997584e05608c827">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/308fe4db16120949c4b60a34531b5bf850794d69#ea4f51a976b9743cbc2a92fb997584e05608c827"><strong>testsuite/tests/dependent/should_fail/SelfDep.stderr</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">@@ -3,4 +3,3 @@ SelfDep.hs:5:11: error:</td>
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<pre style="margin: 0;"> <span id="LC3" class="line" lang="plaintext"> • Type constructor ‘T’ cannot be used here</span>
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<pre style="margin: 0;"> <span id="LC4" class="line" lang="plaintext"> (it is defined and used in the same recursive group)</span>
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<pre style="margin: 0;"> <span id="LC5" class="line" lang="plaintext"> • In the kind ‘T -> *’</span></pre>
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<pre style="margin: 0;">-<span id="LC6" class="line" lang="plaintext"> In the data type declaration for ‘T’</span></pre>
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<li id="7005752417ffd3836fbaab9cd90fb9bbba7dac5b">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/308fe4db16120949c4b60a34531b5bf850794d69#7005752417ffd3836fbaab9cd90fb9bbba7dac5b"><strong>testsuite/tests/dependent/should_fail/T16344.stderr</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="4" 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">@@ -4,3 +4,7 @@ T16344.hs:7:46: error:</td>
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<pre style="margin: 0;"> <span id="LC4" class="line" lang="plaintext"> • In the second argument of ‘T’, namely ‘Int’</span>
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<pre style="margin: 0;"> <span id="LC5" class="line" lang="plaintext"> In the type ‘(T Type Int Bool)’</span>
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<pre style="margin: 0;"> <span id="LC6" class="line" lang="plaintext"> In the definition of data constructor ‘MkT’</span>
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<pre style="margin: 0;">+<span id="LC7" class="line" lang="plaintext"> NB: Type ‘T’ was inferred to use visible dependent quantification.</span>
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<pre style="margin: 0;">+<span id="LC8" class="line" lang="plaintext"> Most types with visible dependent quantification are</span>
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="plaintext"> polymorphically recursive and need a standalone kind</span>
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<pre style="margin: 0;">+<span id="LC10" class="line" lang="plaintext"> signature. Perhaps supply one, with StandaloneKindSignatures.</span></pre>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/308fe4db16120949c4b60a34531b5bf850794d69#89050140750852f57ef647b9377a3565fff890f1"><strong>testsuite/tests/partial-sigs/should_compile/T15039b.stderr</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">@@ -52,6 +52,6 @@ T15039b.hs:35:8: warning: [-Wpartial-type-signatures (in -Wdefault)]</td>
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<pre style="margin: 0;"> <span id="LC52" class="line" lang="plaintext"> • Found type wildcard ‘_’ standing for ‘Coercible @* a b’</span>
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<pre style="margin: 0;"> <span id="LC53" class="line" lang="plaintext"> Where: ‘a’, ‘b’ are rigid type variables bound by</span>
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<pre style="margin: 0;"> <span id="LC54" class="line" lang="plaintext"> the inferred type of ex7 :: Coercible @* a b => Coercion @{*} a b</span>
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<pre style="margin: 0;">-<span id="LC55" class="line" lang="plaintext"> at T15039b.hs:3<span class="idiff left right">6:1-1</span>4</span>
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<pre style="margin: 0;">+<span id="LC55" class="line" lang="plaintext"> at T15039b.hs:3<span class="idiff left right">5:1-4</span>4</span>
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<pre style="margin: 0;"> <span id="LC56" class="line" lang="plaintext"> • In the type signature:</span>
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<pre style="margin: 0;"> <span id="LC57" class="line" lang="plaintext"> ex7 :: _ => Coercion (a :: Type) (b :: Type)</span></pre>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/308fe4db16120949c4b60a34531b5bf850794d69#29ba9df6017b4296b865732f49ae95338ccdd477"><strong>testsuite/tests/partial-sigs/should_compile/T15039d.stderr</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">@@ -53,6 +53,6 @@ T15039d.hs:35:8: warning: [-Wpartial-type-signatures (in -Wdefault)]</td>
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<pre style="margin: 0;"> <span id="LC53" class="line" lang="plaintext"> • Found type wildcard ‘_’ standing for ‘Coercible @* a b’</span>
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<pre style="margin: 0;"> <span id="LC54" class="line" lang="plaintext"> Where: ‘a’, ‘b’ are rigid type variables bound by</span>
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<pre style="margin: 0;"> <span id="LC55" class="line" lang="plaintext"> the inferred type of ex7 :: Coercible @* a b => Coercion @{*} a b</span>
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<pre style="margin: 0;">-<span id="LC56" class="line" lang="plaintext"> at T15039d.hs:3<span class="idiff left right">6:1-1</span>4</span>
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<pre style="margin: 0;">+<span id="LC56" class="line" lang="plaintext"> at T15039d.hs:3<span class="idiff left right">5:1-4</span>4</span>
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<pre style="margin: 0;"> <span id="LC57" class="line" lang="plaintext"> • In the type signature:</span>
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<pre style="margin: 0;"> <span id="LC58" class="line" lang="plaintext"> ex7 :: _ => Coercion (a :: Type) (b :: Type)</span></pre>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/308fe4db16120949c4b60a34531b5bf850794d69#0e2373e77f60c05303a652dac0dc8124b4dc205b"><strong>testsuite/tests/polykinds/PolyKinds06.stderr</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">@@ -3,4 +3,3 @@ PolyKinds06.hs:9:11: error:</td>
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<pre style="margin: 0;"> <span id="LC3" class="line" lang="plaintext"> • Type constructor ‘A’ cannot be used here</span>
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<pre style="margin: 0;"> <span id="LC4" class="line" lang="plaintext"> (it is defined and used in the same recursive group)</span>
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<pre style="margin: 0;"> <span id="LC5" class="line" lang="plaintext"> • In the kind ‘A -> *’</span></pre>
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<pre style="margin: 0;">-<span id="LC6" class="line" lang="plaintext"> In the data type declaration for ‘B’</span></pre>
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<pre style="margin: 0;"> <span id="LC1" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">-<span id="LC2" class="line" lang="plaintext">T7892.hs:5:4: error:</span>
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<pre style="margin: 0;">-<span id="LC3" class="line" lang="plaintext"> • Expected kind ‘* -> *’, but ‘f’ has kind ‘*’</span>
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<pre style="margin: 0;">-<span id="LC4" class="line" lang="plaintext"> • In the associated type family declaration for ‘F’</span></pre>
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="plaintext">T7892.hs:5:4: error: Expected kind ‘* -> *’, but ‘f’ has kind ‘*’</span></pre>
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