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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Auto type deduction of member variable template within class template fails to compile"
href="https://bugs.llvm.org/show_bug.cgi?id=43556">43556</a>
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<th>Summary</th>
<td>Auto type deduction of member variable template within class template fails to compile
</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
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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++14
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>james@invexed.com
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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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<pre><a href="https://godbolt.org/z/cGowWI">https://godbolt.org/z/cGowWI</a>
The following code fails to compile with Clang (but is accepted by GCC and
MSVC)
template<typename>
struct S {
template<typename T>
static constexpr auto value = T{0};
};
int main()
{
return S<int>::value<int>;
}
This can be resolved by explicitly specifying the type of S::value instead:
template<typename T>
static constexpr T value = T{0};
Furthermore, this bug only seems to occur if S and S::value are both templates.</pre>
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