gcc/testsuite/gcc.dg/torture/pr30364-3.c

   1 /* { dg-do run } */
   2 /* { dg-options "-fwrapv" } */
   3
   4 extern void abort (void);
   5
   6 int f(int a, int b)
   7 {
   8   if (a > 0x7FFFFFF0) return 0;
   9   if (b > 0x7FFFFFF0) return 0;
  10
  11   int c = (a - 20) + (b - 20);
  12   return c > 0x7FFFFFF0;
  13 }
  14
  15 int main()
  16 {
  17   if (f (0x7FFFFFF0, 41) != 1)
  18     abort ();
  19   return 0;
  20 }