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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Clang crashes compiling the MSVC standard library"
href="https://bugs.llvm.org/show_bug.cgi?id=48582">48582</a>
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<th>Summary</th>
<td>Clang crashes compiling the MSVC standard library
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>11.0
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<th>Hardware</th>
<td>PC
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<th>OS</th>
<td>Windows NT
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>C++2a
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>mschellenbergercosta@googlemail.com
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<th>CC</th>
<td>blitzrakete@gmail.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=24314" name="attach_24314" title="Proprocessed source">attachment 24314</a> <a href="attachment.cgi?id=24314&action=edit" title="Proprocessed source">[details]</a></span>
Proprocessed source
Currently we are trying to implement constexpr string / vector for MSVC
standard library.
One of the more difficult bugs we encountered is a hard clang-cl crash.
The interesting part is that the crash starts occuring after introducing some
special MSVC optimization that is `#ifdef`ed out for clang.
Unfortunately I was not able to get the the preprocessed files via -save-temps.
Is there some special command?</pre>
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