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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - constexpr pointer to data member conversion issue"
href="https://bugs.llvm.org/show_bug.cgi?id=42366">42366</a>
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<th>Summary</th>
<td>constexpr pointer to data member conversion issue
</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>
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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++11
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>ankur.dedev@tuta.io
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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>The code below fails to compile in Clang 8.0.0, the following Stack Overflow
answers <a href="https://stackoverflow.com/a/55844722/9363849">https://stackoverflow.com/a/55844722/9363849</a> suggests that it might not
be the intended behavior.
// Base class.
struct Base {};
// Data class.
struct Data { int foo; };
// Derived class.
struct Derived : Base, Data { int bar; };
// Main function.
int main()
{
constexpr int Data::* data_p{ &Data::foo };
constexpr int Derived::* derived_p{ data_p };
constexpr int Base::* base_p{ static_cast<int Base::*>(derived_p) };
return (base_p == nullptr);
}</pre>
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