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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - out-of-line definition does not match any declaration in class (declaration contains expression which involves variable template defined inside the class)"
href="https://bugs.llvm.org/show_bug.cgi?id=43963">43963</a>
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<th>Summary</th>
<td>out-of-line definition does not match any declaration in class (declaration contains expression which involves variable template defined inside the class)
</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>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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<tr>
<th>Keywords</th>
<td>compile-fail
</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>C++
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>nok.raven@gmail.com
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<th>CC</th>
<td>blitzrakete@gmail.com, dgregor@apple.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<p>
<div>
<pre>template <bool>
struct S {};
struct X {
enum E { A };
template<E e>
inline static constexpr bool q = A == e;
template <E e>
S<q<e>>* foo();
//S<X::q<e>>* foo(); // this one compiles
};
template <X::E e>
S<X::q<e>>* X::foo() {
return 0;
}
int main() {
X().foo<X::A>();
}
GCC has problems with this too
<a href="https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92459">https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92459</a>
<a href="https://godbolt.org/z/Z4nP5k">https://godbolt.org/z/Z4nP5k</a></pre>
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