gcc/testsuite/gcc.dg/torture/pr77648-1.c

   1 /* { dg-do run } */
   2
   3 struct S { int *p; int *q; };
   4
   5 int **__attribute__((noinline,noclone,pure)) foo (struct S *s)
   6 {
   7   int tem;
   8   __asm__ ("" : "=g" (tem) : "g" (s->p));
   9   return &s->q;
  10 }
  11
  12 int main()
  13 {
  14   struct S s;
  15   int i = 1, j = 2;
  16   int **x;
  17   s.p = &i;
  18   s.q = &j;
  19   x = foo (&s);
  20   **x = 7;
  21   if (j != 7)
  22     __builtin_abort ();
  23   return 0;
  24 }