// { dg-do compile } | |
// Origin: Giovanni Bajo <giovannibajo at gcc dot gnu dot org> | |
// DR179: Function pointers and subtraction | |
void foo(void); | |
typedef void (*fp)(void); | |
int main() | |
{ | |
fp f1 = foo; | |
fp f2 = foo; | |
(void)f2-f1; // { dg-error "" "cannot subtract pointers to function" } | |
} |