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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Cannot find base's conversion operator to templatized type when operator is explicitly called."
href="https://bugs.llvm.org/show_bug.cgi?id=41381">41381</a>
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<th>Summary</th>
<td>Cannot find base's conversion operator to templatized type when operator is explicitly called.
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>8.0
</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>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C++
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>cassio.neri@gmail.com
</td>
</tr>
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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>Consider:
template <typename>
struct foo {};
struct base {
operator int() { return 0; }
template <typename T>
operator foo<T>() { return foo<T>(); }
};
struct derived : base {};
int main() {
derived d;
(void) d.operator foo<int>(); // Error
(void) static_cast<foo<int> >(d); // OK
(void) d.operator int(); // OK
base b;
(void) b.operator foo<int>(); // OK
}
The error is:
error: no member named 'operator foo' in 'derived'
(void) d.operator foo<int>(); // Error
~ ^
Remarks:
1) fails for all versions of clang available at godbolt.org
2) fails on clang 8.0 for all -std=c++{98,11,14,17}
3) works with other compilers.</pre>
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