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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - test/std/utilities/variant/variant.get/get_type.pass.cpp has workaround for a non-bug"
href="https://bugs.llvm.org/show_bug.cgi?id=41578">41578</a>
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<th>Summary</th>
<td>test/std/utilities/variant/variant.get/get_type.pass.cpp has workaround for a non-bug
</td>
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<th>Product</th>
<td>libc++
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>All
</td>
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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
</td>
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<th>Component</th>
<td>All Bugs
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>zilla@kayari.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org, mclow.lists@gmail.com
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</tr></table>
<p>
<div>
<pre>In the two tests
std/utilities/variant/variant.get/get_type.pass.cpp
std/utilities/variant/variant.get/get_index.pass.cpp
you do:
using V = std::variant<int, const long>;
constexpr V v(42);
#ifndef __clang__ // Avoid <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - noexcept should check whether the expression is a constant expression"
href="show_bug.cgi?id=15481">https://bugs.llvm.org/show_bug.cgi?id=15481</a>
ASSERT_NOEXCEPT(std::get<int>(v));
#endif
That isn't a Clang bug (it was closed as INVALID). Since C++17 constexpr
functions are not implicitly noexcept, and Clang considers that a DR against
C++11 and C++14 too.
G++ 9 now has the same behaviour, changed recently by
<a href="https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87603">https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87603</a> so this test fails with G++
now as well.</pre>
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