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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Audit <cxxxx> header files for compliance with [depr.c.headers.other]"
href="https://bugs.llvm.org/show_bug.cgi?id=40981">40981</a>
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<th>Summary</th>
<td>Audit <cxxxx> header files for compliance with [depr.c.headers.other]
</td>
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<th>Product</th>
<td>libc++
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<th>Version</th>
<td>unspecified
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<th>Hardware</th>
<td>All
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
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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>All Bugs
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>mclow.lists@gmail.com
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org, mclow.lists@gmail.com
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<p>
<div>
<pre>Review our header files for compliance with [depr.c.headers.other], which says:
<span class="quote">> Every C header other than <complex.h>, <iso646.h>, <stdalign.h>, <stdbool.h>, and <tgmath.h>, each of which has a name of the form <name.h>, behaves as if each name placed in the standard library namespace by the corresponding <cname > header is placed within the global namespace scope, except for the functions described in 25.8.5, the declaration of std::byte (16.2.1), and the functions and function templates described in 16.2.5. It is unspecified whether these names are first declared or defined within namespace scope (6.3.6) of the namespace std and are then injected into the global namespace scope by explicit using-declarations (9.8).</span >
I'm pretty sure we don't do this for the three-argument hypot, and there may be
others.</pre>
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