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<h3>
 Marge Bot pushed to branch master
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6f0243ae5b359124936a8ff3dd0a287df3d7aca2">6f0243ae</a></strong>
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<span>by Tamar Christina</span>
<i>at 2020-10-09T08:50:13-04:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">winio: fix array splat
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<h4>1 changed file:</h4>
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<a href="#9da165501d56886dac6f415b5652511d5b7efa09">
libraries/base/GHC/Event/Array.hs
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<h4>Changes:</h4>
<li id="9da165501d56886dac6f415b5652511d5b7efa09">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6f0243ae5b359124936a8ff3dd0a287df3d7aca2#9da165501d56886dac6f415b5652511d5b7efa09"><strong>libraries/base/GHC/Event/Array.hs</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="142" 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">@@ -142,13 +142,17 @@ unsafeLoad (Array ref) load = do</td>
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<pre style="margin: 0;"> <span id="LC142" class="line" lang="haskell"></span>
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<td class="diff-line-num old_line" data-linenumber="143" 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="LC143" class="line" lang="haskell"><span class="cd">-- | Reads n elements from the pointer and copies them</span></span>
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<pre style="margin: 0;"> <span id="LC144" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- into the array.</span></span>
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<pre style="margin: 0;">-<span id="LC145" class="line" lang="haskell"><span class="n" style="color: #333;">unsafeCopyFromBuffer</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Array</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;">Ptr</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;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">IO</span> <span class="nb" style="color: #0086b3;">()</span></span>
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<pre style="margin: 0;">+<span id="LC145" class="line" lang="haskell"><span class="n" style="color: #333;">unsafeCopyFromBuffer</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Storable</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">a</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=></span></span><span class="idiff right"> </span><span class="kt" style="color: #458; font-weight: 600;">Array</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;">Ptr</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;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">IO</span> <span class="nb" style="color: #0086b3;">()</span></span>
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<pre style="margin: 0;"> <span id="LC146" class="line" lang="haskell"><span class="n" style="color: #333;">unsafeCopyFromBuffer</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Array</span> <span class="n" style="color: #333;">ref</span><span class="p">)</span> <span class="n" style="color: #333;">sptr</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">=</span></span>
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<pre style="margin: 0;"> <span id="LC147" class="line" lang="haskell">    <span class="n" style="color: #333;">readIORef</span> <span class="n" style="color: #333;">ref</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">AC</span> <span class="n" style="color: #333;">es</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">cap</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span></span>
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<pre style="margin: 0;">-<span id="LC148" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">CHECK_BOUNDS</span><span class="p">(</span><span class="s" style="color: #d14;">"unsafeCopyFromBuffer"</span><span class="p">,</span> <span class="n" style="color: #333;">cap</span><span class="p">,</span> <span class="n" style="color: #333;">n</span><span class="o" style="font-weight: 600;"><span class="idiff left">-</span></span><span class="mi" style="color: #099;"><span class="idiff right">1</span></span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC148" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">CHECK_BOUNDS</span><span class="p">(</span><span class="s" style="color: #d14;">"unsafeCopyFromBuffer"</span><span class="p">,</span> <span class="n" style="color: #333;">cap</span><span class="p">,</span> <span class="n" style="color: #333;">n</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC149" class="line" lang="haskell">    <span class="n" style="color: #333;">withForeignPtr</span> <span class="n" style="color: #333;">es</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">pdest</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">-<span id="LC150" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">memcpy</span> <span class="n" style="color: #333;">pdest</span> <span class="n" style="color: #333;">sptr</span> <span class="p">(</span><span class="n" style="color: #333;">fromIntegral</span> <span class="n" style="color: #333;">n</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC150" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">size</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">sizeOfPtr</span> <span class="n" style="color: #333;">sptr</span> <span class="n" style="color: #333;">undefined</span></span>
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<pre style="margin: 0;">+<span id="LC151" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">memcpy</span> <span class="n" style="color: #333;">pdest</span> <span class="n" style="color: #333;">sptr</span> <span class="p">(</span><span class="n" style="color: #333;">fromIntegral</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">*</span> <span class="n" style="color: #333;">size</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC152" class="line" lang="haskell">      <span class="n" style="color: #333;">writeIORef</span> <span class="n" style="color: #333;">ref</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">AC</span> <span class="n" style="color: #333;">es</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">cap</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC153" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC154" class="line" lang="haskell">    <span class="n" style="color: #333;">sizeOfPtr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Storable</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;">Ptr</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></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;">Int</span></span>
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<pre style="margin: 0;">+<span id="LC155" class="line" lang="haskell">    <span class="n" style="color: #333;">sizeOfPtr</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">sizeOf</span> <span class="n" style="color: #333;">a</span></span>
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156
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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="n" style="color: #333;">ensureCapacity</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Storable</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;">Array</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;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">IO</span> <span class="nb" style="color: #0086b3;">()</span></span>
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<pre style="margin: 0;"> <span id="LC158" class="line" lang="haskell"><span class="n" style="color: #333;">ensureCapacity</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Array</span> <span class="n" style="color: #333;">ref</span><span class="p">)</span> <span class="n" style="color: #333;">c</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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