gcc/testsuite/gcc.dg/pr68375.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized-graph" } */
   3
   4 int a, c, d, e, g, h;
   5 short f;
   6
   7 int
   8 foo ()
   9 {
  10 }
  11
  12 short
  13 fn1 (void)
  14 {
  15   int j[2];
  16   for (; e; e++)
  17     if (j[0])
  18       for (;;)
  19         ;
  20   if (!g)
  21     return f;
  22 }
  23
  24 int
  25 main (void)
  26 {
  27   for (; a < 1; a++)
  28     {
  29       for (c = 0; c < 2; c++)
  30         {
  31           d && (f = 0);
  32           h = fn1 ();
  33         }
  34       __builtin_printf ("%d\n", (char) f);
  35    }
  36
  37  return 0;
  38 }
  39