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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Clang frontend command failed when candidate function template not viable"
href="https://bugs.llvm.org/show_bug.cgi?id=49578">49578</a>
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<th>Summary</th>
<td>Clang frontend command failed when candidate function template not viable
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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
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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>Frontend
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>hewillk@gmail.com
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
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<pre>The following code will trigger the clang frontend error:
#include <variant>
template <class... Ts> struct overloaded : Ts... { };
int main() {
std::variant<int, double> vec[] = {10, 1.5};
for (auto& v: vec) {
std::visit(overloaded {
[](auto arg) { },
[](double arg) { },
}, v);
}
}
(godbolt: <a href="https://godbolt.org/z/jobfzn">https://godbolt.org/z/jobfzn</a>)</pre>
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