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<base href="https://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Assertion failed: Q.Visited.size() < 1000 && "Visited too much", file C:\src\upstream\llvm39\lib\Transforms\Utils\MemorySSA.cpp, line 1228"
href="https://llvm.org/bugs/show_bug.cgi?id=28632">28632</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Assertion failed: Q.Visited.size() < 1000 && "Visited too much", file C:\src\upstream\llvm39\lib\Transforms\Utils\MemorySSA.cpp, line 1228
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>3.9
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Windows NT
</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>douglas_yung@playstation.sony.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=16776" name="attach_16776" title="Repro test file">attachment 16776</a> <a href="attachment.cgi?id=16776&action=edit" title="Repro test file">[details]</a></span>
Repro test file
When the attached test is compiled with a 3.9 compiler and optimizations
enabled, the compiler hits an assertion failure.
clang -c -O1 repro.c
Assertion failed: Q.Visited.size() < 1000 && "Visited too much", file
C:\src\upstream\llvm39\lib\Transforms\Utils\MemorySSA.cpp, line 1228
Wrote crash dump file
"C:\Users\DOUGLA~1\AppData\Local\Temp\clang.exe-1da7e1.dmp"
#0 0x00000001405e41f5 (C:\src\upstream\276194\Release\bin\clang.exe+0xf941f5)
#1 0x000007fef402ee1d (C:\Windows\system32\MSVCR120.dll+0x6ee1d)
#2 0x000007fef4034a14 (C:\Windows\system32\MSVCR120.dll+0x74a14)
#3 0x000007fef4035d5f (C:\Windows\system32\MSVCR120.dll+0x75d5f)
#4 0x00000001406b6827 (C:\src\upstream\276194\Release\bin\clang.exe+0x1066827)
#5 0x00000001406b652b (C:\src\upstream\276194\Release\bin\clang.exe+0x106652b)
<Skipping many lines>
#254 0x00000001406b652b
(C:\src\upstream\276194\Release\bin\clang.exe+0x106652b)
#255 0x00000001406b652b
(C:\src\upstream\276194\Release\bin\clang.exe+0x106652b)
clang.exe: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.9.0 (branches/release_39 276194)
Target: x86_64-pc-windows-msvc
Thread model: posix
InstalledDir: C:\src\upstream\276194\Release\bin
clang.exe: note: diagnostic msg: PLEASE submit a bug report to
<a href="http://llvm.org/bugs/">http://llvm.org/bugs/</a> and include the crash backtrace, preprocessed source, and
associated run script.
clang.exe: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang.exe: note: diagnostic msg:
C:\Users\DOUGLA~1\AppData\Local\Temp\repro-f6760f.c
clang.exe: note: diagnostic msg:
C:\Users\DOUGLA~1\AppData\Local\Temp\repro-f6760f.sh
clang.exe: note: diagnostic msg:
********************</pre>
</div>
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