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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Assertion `Offset <= PieceOffset && "overlapping or duplicate pieces"' failed."
href="http://llvm.org/bugs/show_bug.cgi?id=22495">22495</a>
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<th>Summary</th>
<td>Assertion `Offset <= PieceOffset && "overlapping or duplicate pieces"' failed.
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>-New Bugs
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>hans@chromium.org
</td>
</tr>
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<th>CC</th>
<td>aprantl@apple.com, llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=13818" name="attach_13818" title="unreduced repro">attachment 13818</a> <a href="attachment.cgi?id=13818&action=edit" title="unreduced repro">[details]</a></span>
unreduced repro
We ran into this when compiling Chromium.
This does not happen on the 3.6 release branch.
Attaching unreduced repro. Run line:
clang "-cc1" "-triple" "x86_64-unknown-linux-gnu" "-emit-obj" "-disable-free"
"-main-file-name" "prog_opt_constant_fold.c" "-mrelocation-model" "pic"
"-pic-level" "2" "-mthread-model" "posix" "-relaxed-aliasing" "-fmath-errno"
"-masm-verbose" "-mconstructor-aliases" "-target-cpu" "x86-64"
"-momit-leaf-frame-pointer" "-g" "-dwarf-column-info" "-ffunction-sections"
"-fdata-sections" "-O2" "-fvisibility" "hidden" "-pthread"
"-stack-protector" "1" "-stack-protector-buffer-size" "4" "-mstackrealign"
"-fobjc-runtime=gcc" "-vectorize-loops" "-vectorize-slp" "-x" "c"
"pieceoffset.c"</pre>
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