gcc/testsuite/gcc.dg/pr67787.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O3" } */
   3
   4 int a, c, f, g;
   5 char b;
   6
   7 static int
   8 fn1 ()
   9 {
  10   char h;
  11   int k = -1, i, j;
  12   for (; b < 16; b++)
  13     ;
  14   __builtin_printf (" ");
  15   if (b < 5)
  16     k++;
  17   if (k)
  18     {
  19       int l = 2;
  20       a = h = b < 0 || b > (127 >> l) ? b : b << 1;
  21       return 0;
  22     }
  23   for (i = 0; i < 1; i++)
  24     for (j = 0; j < 7; j++)
  25       f = 0;
  26   for (c = 0; c; c++)
  27     ;
  28   if (g)
  29     for (;;)
  30       ;
  31   return 0;
  32 }
  33
  34 int
  35 main ()
  36 {
  37   fn1 ();
  38
  39   if (a != 32)
  40     __builtin_abort ();
  41
  42   return 0;
  43 }