gcc/testsuite/gcc.dg/doloop-2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2" } */
   3 extern void abort (void);
   4 unsigned global_iters;
   5
   6 void bi_reverse(int len)
   7 {
   8     do {
   9         global_iters++;
  10     } while (--len > 0);
  11 }
  12
  13 int main()
  14 {
  15   bi_reverse(5);
  16   if (global_iters != 5)
  17     abort ();
  18   return 0;
  19 }