1 // { dg-options "-std=c++17 -fconcepts" }
4 concept bool C = false;
6 int f1() requires false;
7 int& f2() requires false;
8 int* f3() requires false;
9 auto f4() -> int& requires false;
10 auto f5() -> int* requires false;
11 auto f6() -> int requires false;
13 int (*p)() requires true; // { dg-error "" }
14 int (&p)() requires true; // { dg-error "" }
15 int g(int (*)() requires true); // { dg-error "" }
22 f1(); // { dg-error "cannot call" }