gcc/testsuite/gcc.dg/torture/pr36373-10.c

   1 /* { dg-do run } */
   2
   3 #ifdef __SIZE_TYPE__
   4 typedef __SIZE_TYPE__ uintptr_t;
   5 #elif (__SIZEOF_LONG_LONG__ == __SIZEOF_POINTER__)
   6 typedef unsigned long long uintptr_t;
   7 #elif (__SIZEOF_LONG__ == __SIZEOF_POINTER__)
   8 typedef unsigned long uintptr_t;
   9 #elif (__SIZEOF_INT__ == __SIZEOF_POINTER__)
  10 typedef unsigned int uintptr_t;
  11 #else
  12 #error Add target support here
  13 #endif
  14
  15 void __attribute__((noinline))
  16 foo(uintptr_t l)
  17 {
  18   int *p = (int *)l;
  19   *p = 1;
  20 }
  21
  22 extern void abort (void);
  23 int main()
  24 {
  25   int b = 0;
  26   uintptr_t l = (uintptr_t)&b;
  27   foo(l);
  28   if (b != 1)
  29     abort ();
  30   return 0;
  31 }