gcc/testsuite/gcc.dg/pr114753.c

   1 /* PR middle-end/114753 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2 -ftrapv" } */
   4
   5 int
   6 main ()
   7 {
   8   volatile long long i = __LONG_LONG_MAX__;
   9   volatile long long j = 2;
  10   long long k;
  11   if (!__builtin_mul_overflow (i, j, &k) || k != -2LL)
  12     __builtin_abort ();
  13   return 0;
  14 }