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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - `requires` out-of-line definition using typedef not accepted"
href="https://bugs.llvm.org/show_bug.cgi?id=50693">50693</a>
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<th>Summary</th>
<td>`requires` out-of-line definition using typedef not accepted
</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>
</tr>
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<th>Severity</th>
<td>enhancement
</td>
</tr>
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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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</tr>
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<th>Reporter</th>
<td>koncek.marian@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>The following code
(Godbolt link <a href="https://godbolt.org/z/d756fhMTh">https://godbolt.org/z/d756fhMTh</a>)
is not accepted by clang but is accepted by GCC:
#include <type_traits>
template<typename T>
struct S
{
using t = T;
void f()
requires(std::is_copy_constructible_v<t>);
};
template<typename T>
auto S<T>::f() -> void
// requires(std::is_copy_constructible_v<T>)
requires(std::is_copy_constructible_v<typename S<T>::t>)
{
}
int main()
{
}</pre>
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