gcc/testsuite/gcc.dg/pr28187.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -ftree-vrp -fwrapv" } */
   3
   4 extern void bar(int);
   5 void checkgroups(int last, int verbose)
   6 {
   7     int window = 0;
   8     int outstanding = 0;
   9     while (window < last || outstanding) {
  10         while (outstanding < 47 && window < last) {
  11             if (window < last) {
  12                 outstanding++;
  13                 if (verbose)
  14                     bar(window);
  15                 bar(window++);
  16             }
  17         }
  18         if (outstanding > 0)
  19             bar(0);
  20     }
  21 }
  22