gcc/testsuite/gcc.dg/torture/pr87177-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-w" } */
   3
   4 int dk;
   5
   6 void
   7 lv (void)
   8 {
   9   int nm;
  10
  11   dk = 1;
  12   while (dk != 0)
  13     {
  14     }
  15
  16   if (1 / 0)
  17     {
  18       dk = 0;
  19       while (dk != 0)
  20         {
  21         }
  22     }
  23
  24   for (;;)
  25     nm = !!dk;
  26
  27   (void) nm;
  28 }