gcc/testsuite/gcc.dg/pr65321.c

   1 /* PR rtl-optimization/65321 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O3 -g" } */
   4
   5 int a, b, c, d, e;
   6
   7 int
   8 foo (void)
   9 {
  10   int h;
  11   char i;
  12   for (; c > 0;)
  13     {
  14       for (d = 0; d < 2; d++)
  15         {
  16           i = 1 << d;
  17           if (i - a)
  18             {
  19               e = b = 0;
  20               for (; c; c--)
  21                 d = 127;
  22             }
  23         }
  24       h = ~d;
  25       if (h > c)
  26         for (;;)
  27           ;
  28       return 0;
  29     }
  30   return 0;
  31 }