xref: /llvm-project/clang/test/SemaCXX/cxx20-check-fptr-constraints.cpp (revision 6da3d66f03f9162ef341cc67218be40e22fe9808)
1 // RUN: %clang_cc1 -std=c++20 -verify %s
2 
3 namespace P1972 {
4 template <typename T>
5 struct S {
6   static void f(int)
7     requires false; // expected-note 4{{because 'false' evaluated to false}}
8 };
g()9 void g() {
10   S<int>::f(0);                      // expected-error{{invalid reference to function 'f': constraints not satisfied}}
11   void (*p1)(int) = S<int>::f;       // expected-error{{invalid reference to function 'f': constraints not satisfied}}
12   void (*p21)(int) = &S<int>::f;     // expected-error{{invalid reference to function 'f': constraints not satisfied}}
13   decltype(S<int>::f) *p2 = nullptr; // expected-error{{invalid reference to function 'f': constraints not satisfied}}
14 }
15 }
16