https://bugs.llvm.org/show_bug.cgi?id=52368
Bug ID: 52368
Summary: Class template argument deduction fails in case of
function type argument
Product: clang
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: fchelno...@gmail.com
CC: blitzrak...@gmail.com, dgre...@apple.com,
erik.pilking...@gmail.com, llvm-bugs@lists.llvm.org,
richard-l...@metafoo.co.uk
In the following program Clang is unable to perform class template argument
deduction:
```
template<typename T>
struct A{
A(T f()){ f(); }
};
int foo() { return 1; }
int main() {
[[maybe_unused]] A y = foo; // Clang error
}
```
GCC accepts it successfully, demo: https://gcc.godbolt.org/z/PKe6T5aW5
Related discussion: https://stackoverflow.com/q/69778510/7325599
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