gcc/testsuite/gcc.dg/tree-ssa/pr71661.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O3 -fdisable-tree-ethread" } */
   3
   4 extern void exit (int);
   5
   6 int a, b;
   7
   8 void
   9 fn1 ()
  10 {
  11   unsigned c = 0;
  12   int d;
  13   b = a;
  14   if (a < 0)
  15     goto L1;
  16   for (; a < 1; a++)
  17     d = 0;
  18   for (; d < 2; d++)
  19     {
  20       for (c = 0; c < 3; c++)
  21       L1:
  22         a = 2;
  23     }
  24 }
  25
  26 int
  27 main ()
  28 {
  29   fn1 ();
  30   exit (0);
  31 }