gcc/testsuite/gcc.c-torture/execute/20041212-1.c

   1 /* A function pointer compared with a void pointer should not be canonicalized.
   2    See PR middle-end/17564.  */
   3 void *f (void) __attribute__ ((__noinline__));
   4 void *
   5 f (void)
   6 {
   7   return f;
   8 }
   9 int
  10 main (void)
  11 {
  12   if (f () != f)
  13     abort ();
  14   exit (0);
  15 }