gcc/testsuite/gcc.c-torture/execute/pr93494.c

/* PR target/93494 */

unsigned short a;

int
main ()
{
  register unsigned long long y = 0;
  int x = __builtin_add_overflow (y, 0ULL, &a);
  if (x || a)
    __builtin_abort ();
  return 0;
}