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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Template member variable is considered not a constexpr"
href="https://bugs.llvm.org/show_bug.cgi?id=47046">47046</a>
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<th>Summary</th>
<td>Template member variable is considered not a constexpr
</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>All
</td>
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<th>Status</th>
<td>NEW
</td>
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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++17
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>lev.rumyantsev@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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<div>
<pre>This code snippets fails to compile with clang (as indicated below) but
successfully compiles with gcc.
<a href="https://godbolt.org/z/n8nGM3">https://godbolt.org/z/n8nGM3</a>
=============
template <auto T>
class Object {
template <auto U>
static constexpr bool kTrue = true;
public:
static int Method() {
// error: constexpr if condition is not a constant expression
if constexpr (kTrue<0>) return 0;
return 0;
}
};
int Foo() {
return Object<0>::Method();
}</pre>
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