gcc/testsuite/gcc.dg/strcmpopt_12.c

   1 /* PR tree-optimization/96758 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2" } */
   4
   5 int v = 1;
   6
   7 int
   8 main ()
   9 {
  10   const char *s = v ? "a" : "b";
  11   char x[5];
  12   char y[5] = "a\0a";
  13   __builtin_memcpy (x, y, sizeof (y));
  14   if (__builtin_strncmp (x, s, 4) != 0)
  15     __builtin_abort ();
  16   return 0;
  17 }