gcc/testsuite/gcc.dg/torture/pr93381.c

   1 /* { dg-do run } */
   2
   3 static struct S { int *p1; int *p2; } s;
   4 typedef __UINTPTR_TYPE__ uintptr_t;
   5 int foo()
   6 {
   7   int i = 1, j = 2;
   8   struct S s;
   9   int **p;
  10   s.p1 = &i;
  11   s.p2 = &j;
  12   p = &s.p1;
  13   uintptr_t pi = (uintptr_t)p;
  14   pi = pi + sizeof (int *);
  15   p = (int **)pi;
  16   **p = 3;
  17   return j;
  18 }
  19
  20 int main()
  21 {
  22   if (foo () != 3)
  23     __builtin_abort ();
  24   return 0;
  25 }