gcc/testsuite/gcc.dg/pr86076.c

   1 /* { dg-do compile { target pthread } }  */
   2 /* { dg-options "-O2 -ftree-parallelize-loops=2 -fno-tree-dce -fno-tree-pre -fno-tree-vrp --param max-loop-header-insns=1" } */
   3
   4 int __attribute__ ((noinline))
   5 lv (int tm)
   6 {
   7   (void) tm;
   8
   9   return 0;
  10 }
  11
  12 void
  13 o7 (int uu)
  14 {
  15   while (uu < 1)
  16     while (uu != 0)
  17       {
  18         short int ca;
  19
  20         ca = lv (0);
  21         (void) ca;
  22         ++uu;
  23       }
  24
  25   lv (lv (0));
  26 }