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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - ICE: is_invocable_v (access via :: of non static member)"
href="https://bugs.llvm.org/show_bug.cgi?id=47119">47119</a>
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<th>Summary</th>
<td>ICE: is_invocable_v (access via :: of non static member)
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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>Windows NT
</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++
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
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<th>Reporter</th>
<td>familiebaumanns@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>Created <span class=""><a href="attachment.cgi?id=23840" name="attach_23840" title="compiler output">attachment 23840</a> <a href="attachment.cgi?id=23840&action=edit" title="compiler output">[details]</a></span>
compiler output
Clang++ front-end crashes with the following code:
Compilation command: clang++ -std=c++17 sample.cpp
See here on godbolt: <a href="https://godbolt.org/z/o1xjK8">https://godbolt.org/z/o1xjK8</a>
Code:
=================
```
#include <type_traits>
struct S {
void Func() {
}
};
#include <iostream>
int main()
{
auto lambda = [](const auto& cls) -> decltype(
std::remove_const_t<std::remove_reference_t<decltype(cls)>>::Func()
) {};
auto isInv = std::is_invocable_v<decltype(lambda), S>;
if (!isInv){
std::cout << "detected correctly";
}
return 0;
}
```</pre>
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