gcc/testsuite/gcc.dg/torture/pr71253.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "-ftree-loop-distribution" } */
   3
   4 int jo, af, yb;
   5 long int wt;
   6
   7 void
   8 nr (void)
   9 {
  10   int *bf = &yb;
  11   for (;;)
  12     {
  13       while (jo != 0)
  14         {
  15           long int *ad = (long int *) &yb;
  16           for (;;)
  17             {
  18               int fv;
  19               for (*ad = 1; *ad < 3; ++(*ad))
  20                 {
  21                   af = *bf;
  22                   fv = wt;
  23                 }
  24               bf = (int *) &wt;
  25               ad = &wt;
  26               do
  27                 {
  28                   jo = wt = ((wt != 0) ? 1 : fv);
  29                 }
  30               while (jo != 0);
  31             }
  32         }
  33       bf = &af;
  34     }
  35 }