gcc/testsuite/gcc.dg/pr17581-1.c

   1 /* PR rtl-optimization/17581 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2" } */
   4
   5 void abort (void);
   6
   7 int foo(int x)
   8 {
   9   unsigned long long tmp = 0;
  10
  11   switch(x) {
  12     case 21:
  13       tmp |= 1;
  14       tmp |= 2;
  15       tmp |= 8;
  16       break;
  17     default:
  18       break;
  19   }
  20
  21   return (int)tmp;
  22 }
  23
  24 int main()
  25 {
  26   if (foo(21) != 11)
  27     abort ();
  28   return 0;
  29 }
  30