gcc/testsuite/gcc.dg/tree-ssa/vrp100.c

   1 /* PR tree-optimization/71031 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Os" } */
   4
   5 int zj;
   6 int **yr;
   7
   8 void
   9 nn (void)
  10 {
  11   unsigned int od = 4;
  12
  13   for (;;)
  14     {
  15       int lk;
  16
  17       for (lk = 0; lk < 2; ++lk)
  18         {
  19           static int cm;
  20
  21           zj = 0;
  22           if (od == 0)
  23             return;
  24           ++od;
  25           for (cm = 0; cm < 2; ++cm)
  26             {
  27               --od;
  28               **yr = 0;
  29             }
  30         }
  31     }
  32 }