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<base href="https://bugs.llvm.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - crash in IndVarSimplify::run"
href="https://bugs.llvm.org/show_bug.cgi?id=36708">36708</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>crash in IndVarSimplify::run
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>6.0
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>dcb314@hotmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>The attached C code, with clang flag -O2, does this:
$ ~/llvm/release.600/bin/clang -c -O2 /tmp/option-7bae52.c
#0 0x0000000001b993c4 PrintStackTraceSignalHandler(void*)
(/home/dcb/llvm/release.600/bin/clang-6.0+0x1b993c4)
#1 0x0000000001b996a6 SignalHandler(int)
(/home/dcb/llvm/release.600/bin/clang-6.0+0x1b996a6)
#2 0x00007fd15158aaf0 __restore_rt (/lib64/libpthread.so.0+0x12af0)
#3 0x00000000019f3c80 (anonymous namespace)::IndVarSimplify::run(llvm::Loop*)
(/home/dcb/llvm/release.600/bin/clang-6.0+0x19f3c80)
#4 0x00000000019fad53 (anonymous
namespace)::IndVarSimplifyLegacyPass::runOnLoop(llvm::Loop*,
llvm::LPPassManager&) (/home/dcb/llvm/release.600/bin/clang-6.0+0x19fad53)
#5 0x000000000136a668 llvm::LPPassManager::runOnFunction(llvm::Function&)
(/home/dcb/llvm/release.600/bin/clang-6.0+0x136a668)
#6 0x000000000175f1fb llvm::FPPassManager::runOnFunction(llvm::Function&)
(/home/dcb/llvm/release.600/bin/clang-6.0+0x175f1fb)</pre>
</div>
</p>
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