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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Defining constrained member function out of line is rejected"
href="https://bugs.llvm.org/show_bug.cgi?id=48020">48020</a>
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<th>Summary</th>
<td>Defining constrained member function out of line is rejected
</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>Windows NT
</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++2a
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>barry.revzin@gmail.com
</td>
</tr>
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<th>CC</th>
<td>blitzrakete@gmail.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<p>
<div>
<pre>From StackOverflow (<a href="https://stackoverflow.com/q/64601583/2069064">https://stackoverflow.com/q/64601583/2069064</a>):
template <typename> concept C = true;
template <typename T>
struct Foo { };
template<typename T>
requires C<T>
struct Foo<T> {
static void bar();
};
template<typename T>
requires C<T>
void Foo<T>::bar() { }
int main() {
Foo<int>::bar();
}
clang 11 rejects this program with:
<source>:13:10: error: requires clause differs in template redeclaration
requires C<T>
^
<source>:3:1: note: previous template declaration is here
template <typename T>
^</pre>
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