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<base href="http://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Assertion `Origin && "Missing origin"' failed."
href="http://llvm.org/bugs/show_bug.cgi?id=22494">22494</a>
</td>
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<tr>
<th>Summary</th>
<td>Assertion `Origin && "Missing origin"' failed.
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</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>Miscellaneous Instrumentation passes
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>hans@chromium.org
</td>
</tr>
<tr>
<th>CC</th>
<td>eugeni.stepanov@gmail.com, llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Blocks</th>
<td>22374
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=13817" name="attach_13817" title="unreduced repro">attachment 13817</a> <a href="attachment.cgi?id=13817&action=edit" title="unreduced repro">[details]</a></span>
unreduced repro
This fires when building Chromium with msan.
This reproduces on the 3.6 release branch, so I've marked it a release blocker.
Unreduced repro attached. Run line:
clang "-cc1" "-triple" "x86_64-unknown-linux-gnu" "-emit-obj" "-disable-free"
"-mrelocation-model" "pic" "-pic-level" "2" "-mthread-model" "posix"
"-mdisable-fp-elim" "-relaxed-aliasing" "-fmath-errno" "-masm-verbose"
"-mconstructor-aliases" "-munwind-tables" "-fuse-init-array" "-target-cpu"
"x86-64" "-momit-leaf-frame-pointer" "-gline-tables-only" "-dwarf-column-info"
"-ffunction-sections" "-fdata-sections" "-nostdinc++" "-O2" "-std=gnu++11"
"-fdeprecated-macro" "-fvisibility" "hidden" "-fvisibility-inlines-hidden"
"-fsanitize=memory" "-fsanitize-memory-track-origins=2"
"-fno-assume-sane-operator-new" "-pthread" "-stack-protector" "1"
"-stack-protector-buffer-size" "4" "-mstackrealign" "-fno-rtti"
"-fno-threadsafe-statics" "-fobjc-runtime=gcc" "-vectorize-loops"
"-vectorize-slp" "-x" "c++" "missingorigin.cpp"</pre>
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