gcc/testsuite/gcc.c-torture/execute/pr38236.c

   1 struct X { int i; };
   2
   3 int __attribute__((noinline))
   4 foo (struct X *p, int *q, int a, int b)
   5 {
   6   struct X x, y;
   7   if (a)
   8     p = &x;
   9   if (b)
  10     q = &x.i;
  11   else
  12     q = &y.i;
  13   *q = 1;
  14   return p->i;
  15 }
  16 extern void abort (void);
  17 int main()
  18 {
  19   if (foo((void *)0, (void *)0, 1, 1) != 1)
  20     abort ();
  21   return 0;
  22 }