1 /* { dg-options "-O2" } */ 2 /* { dg-do run } */ 3 4 struct S { int i; } s; 5 f(struct S * q)6void f (struct S *q) 7 { 8 int a, *p; 9 p = &a; 10 if (q) 11 p = &q->i; 12 *p = 1; 13 } 14 15 void abort (void); 16 main(void)17int main (void) 18 { 19 f (&s); 20 if (s.i != 1) 21 abort (); 22 return 0; 23 } 24