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<h3>
Ben Gamari pushed to branch wip/memory-barriers
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
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<h4>
Commits:
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/d2833e62a7c5ac3d24cf158d814927b34922aa73">d2833e62</a></strong>
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<span>by Ben Gamari</span>
<i>at 2019-06-10T20:07:31Z</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix revertCAFs
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<h4>1 changed file:</h4>
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<a href="#a481abfdf0106c53321542436ad78f6df542b1b8">
rts/sm/GCAux.c
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<h4>Changes:</h4>
<li id="a481abfdf0106c53321542436ad78f6df542b1b8">
<a href="https://gitlab.haskell.org/ghc/ghc/commit/d2833e62a7c5ac3d24cf158d814927b34922aa73#a481abfdf0106c53321542436ad78f6df542b1b8"><strong>rts/sm/GCAux.c</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">@@ -123,9 +123,10 @@ revertCAFs( void )</td>
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<pre style="margin: 0;"> <span id="LC123" class="line" lang="c"> <span class="n" style="color: #333;">c</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">StgIndStatic</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">c</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">static_link</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC124" class="line" lang="c"> <span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC125" class="line" lang="c"> <span class="n" style="color: #333;">c</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">StgIndStatic</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">UNTAG_STATIC_LIST_PTR</span><span class="p">(</span><span class="n" style="color: #333;">c</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC126" class="line" lang="c"> <span class="k" style="font-weight: 600;">const</span> <span class="n" style="color: #333;">StgInfoTable</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">saved_info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">c</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">saved_info</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC127" class="line" lang="c"> <span class="n" style="color: #333;">c</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">saved_info</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">NULL</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC128" class="line" lang="c"> <span class="n" style="color: #333;">write_barrier</span><span class="p">();</span></span>
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<pre style="margin: 0;">-<span id="LC128" class="line" lang="c"> <span class="n" style="color: #333;">SET_INFO</span><span class="p">((</span><span class="n" style="color: #333;">StgClosure</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">c</span><span class="p">,</span> <span class="n" style="color: #333;"><span class="idiff left">c</span></span><span class="o" style="font-weight: 600;"><span class="idiff right">-></span></span><span class="n" style="color: #333;">saved_info</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC129" class="line" lang="c"> <span class="n" style="color: #333;">SET_INFO</span><span class="p">((</span><span class="n" style="color: #333;">StgClosure</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">c</span><span class="p">,</span> <span class="n" style="color: #333;">saved_info</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC130" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// could, but not necessary: c->static_link = NULL;</span></span>
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<pre style="margin: 0;"> <span id="LC131" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC132" class="line" lang="c"> <span class="n" style="color: #333;">revertible_caf_list</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">StgIndStatic</span><span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">END_OF_CAF_LIST</span><span class="p">;</span></span>
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