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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - clang-cl defines outdated values for _MSVC_LANG"
href="https://bugs.llvm.org/show_bug.cgi?id=38262">38262</a>
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<th>Summary</th>
<td>clang-cl defines outdated values for _MSVC_LANG
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>6.0
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>Frontend
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>Casey@Carter.net
</td>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<pre>clang-cl.exe from Clang 6.0.0 (apologies if this report isn't valid for 6.0.1 -
I can't test it easily) predefines _MSVC_LANG to 201403 when passed both
/std:c++17 and /std:c++latest. These values don't agree with cl.exe's values
for the VS2017 release series. cl.exe predefines _MSVC_LANG to 201402, 201703,
and 201704 when passed /std:c++14, /std:c++17, and /std:c++latest respectively.</pre>
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