https://bugs.llvm.org/show_bug.cgi?id=47638
Bug ID: 47638
Summary: code compiles (and segfaults) with gcc, but does not
compile with clang
Product: clang
Version: 10.0
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: C++2a
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected]
struct S
{
auto f()
{
return [](){};
}
template <typename U = S>
using FP = decltype(&U::f);
};
int main()
{
(S().*S::FP<>())();
return 0;
}
https://wandbox.org/permlink/ZjerOK6U3svPXXfE
This code will compile (and segfault) with gcc 10.1, but will not compile with
clang 10.0.0. I think it's valid code. Playing with parentheses did not work
for me.
prog.cc:15:7: error: invalid use of pointer to member type after .*
(S().*S::FP<>())();
^
1 error generated.
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