blob: 3bf78873e8fe85397df777706d6c0be62b9d3783 [file] [log] [blame]
/* Test diagnostics for arithmetic on void and function pointers.
Test with no special options. */
/* Origin: Joseph Myers <joseph@codesourcery.com> */
/* { dg-do compile } */
/* { dg-options "" } */
void *p;
void (*f)(void);
void
g (void)
{
p + 0;
p + 1;
0 + p;
1 + p;
p - 0;
p - 1;
p += 0;
p += 1;
p -= 0;
p -= 1;
f + 0;
f + 1;
0 + f;
1 + f;
f - 0;
f - 1;
f += 0;
f += 1;
f -= 0;
f -= 1;
p[0]; /* { dg-warning "warning: dereferencing 'void \\*' pointer" } */
0[p]; /* { dg-warning "warning: dereferencing 'void \\*' pointer" } */
f[0]; /* { dg-error "error: subscripted value is pointer to function" } */
0[f]; /* { dg-error "error: subscripted value is pointer to function" } */
p - p;
f - f;
}