gcc/testsuite/c-c++-common/ubsan/pr59503.c

/* { dg-do run } */
/* { dg-options "-fsanitize=signed-integer-overflow -fno-sanitize-recover=signed-integer-overflow" } */

int
main (void)
{
  long long int a = 14;
  long int b = 9;
  asm volatile ("" : "+r" (a), "+r" (b));
  if ((a - b) != 5)
    __builtin_abort ();
  return 0;
}