gcc/testsuite/gcc.dg/torture/pr60930.c

   1 /* { dg-do run } */
   2
   3 int x = 1;
   4
   5 __attribute__((noinline, noclone)) void
   6 foo (unsigned long long t)
   7 {
   8   asm volatile ("" : : "r" (&t));
   9   if (t == 1)
  10     __builtin_abort ();
  11 }
  12
  13 int
  14 main ()
  15 {
  16 #if __SIZEOF_LONG_LONG__ >= 8
  17   unsigned long long t = 0xffffffffffffffffULL * (0xffffffffUL * x);
  18   if (t != 0xffffffff00000001ULL)
  19     foo (t);;
  20 #endif
  21   return 0;
  22 }