gcc/testsuite/gcc.dg/torture/pr33560.c

   1 /* { dg-do run } */
   2
   3 struct T
   4 {
   5   int a, b;
   6 } t;
   7
   8 __attribute__((noinline)) struct T *f (struct T *p)
   9 {
  10   struct T *q = __builtin_malloc (sizeof (struct T));
  11   *q = *p;
  12   return q;
  13 }
  14
  15 int main (void)
  16 {
  17   struct T *p;
  18
  19   t.a = 1;
  20   t.b = 2;
  21   p = f (&t);
  22   t.a = 3;
  23
  24   if (p->a != 1)
  25     __builtin_abort ();
  26
  27   return 0;
  28 }
  29