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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - explicit specialization in class scope compiles instead of failing"
href="https://bugs.llvm.org/show_bug.cgi?id=37346">37346</a>
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<th>Summary</th>
<td>explicit specialization in class scope compiles instead of failing
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
</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>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>C++
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>rhalbersma@gmail.com
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<th>CC</th>
<td>dgregor@apple.com, llvm-bugs@lists.llvm.org
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<p>
<div>
<pre>struct S
{
template<int N>
constexpr static auto var = 0;
template<>
constexpr static auto var<0> = 1;
};
int main()
{
static_assert(S::var<0> == 1);
}
Fails to compile on clang 6.0 (as well as gcc 7.3 and 8.1) with "explicit
specialization of 'var' in class scope" but compiles with clang SVN-trunk (see
<a href="https://wandbox.org/permlink/6t2pfHx8CZkejsWh">https://wandbox.org/permlink/6t2pfHx8CZkejsWh</a>).
Did the Standard change w.r.t. explicit specializations in class scope, or is
this a regression?</pre>
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