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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - overflow builtins are not constexpr"
href="https://bugs.llvm.org/show_bug.cgi?id=37633">37633</a>
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<th>Summary</th>
<td>overflow builtins are not constexpr
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C++14
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>john@mcfarlane.name
</td>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>It would be beneficial if overflow builtins [1] could be used in constant
expressions. This would bring Clang in line with GCC 7.x [2].
1.
<a href="https://clang.llvm.org/docs/LanguageExtensions.html#checked-arithmetic-builtins">https://clang.llvm.org/docs/LanguageExtensions.html#checked-arithmetic-builtins</a>
2. <a href="https://godbolt.org/g/5eWcNb">https://godbolt.org/g/5eWcNb</a></pre>
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