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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - std::vector doesn't honor element alignment"
href="http://llvm.org/bugs/show_bug.cgi?id=22634">22634</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>std::vector doesn't honor element alignment
</td>
</tr>
<tr>
<th>Product</th>
<td>libc++
</td>
</tr>
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<th>Version</th>
<td>3.5
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Macintosh
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
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<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>All Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jacob.benoit.1@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu, mclow.lists@gmail.com
</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=13905" name="attach_13905" title="testcase">attachment 13905</a> <a href="attachment.cgi?id=13905&action=edit" title="testcase">[details]</a></span>
testcase
Even in C++11 mode, even with the C++11 alignas keyword, element alignment
isn't honored by std::vector.
$ c++ vectoralign.cpp -o a --std=c++11 && ./a
ctor 0x7fec03c03950
ctor 0x7fec03c03990
Attaching testcase.
I only tested the 3.5svn version that's installed on Mac OSX 10.9.5 here.
$ c++ --version
Apple LLVM version 6.0 (clang-600.0.56) (based on LLVM 3.5svn)
Target: x86_64-apple-darwin13.4.0
Thread model: posix
Note: homologous libstdc++ bug report:
<a href="https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65122">https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65122</a></pre>
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