gcc/testsuite/gcc.c-torture/compile/bcopy-1.c

   1 /* PR middle-end/31095, expand_builtin_memmove_args forgot to take into
   2    account that tree folding of builtins can add an extra NOP_EXPR.   */
   3
   4 struct timeval
   5 {
   6   int tv_sec;
   7   int tv_usec;
   8 };
   9 void
  10 capture_next_packet (void)
  11 {
  12   struct timeval past, now, then;
  13   __builtin_bcopy (&then, &past, sizeof (then));
  14 }