new smatch

*** 23,32 ****
   * check-description: Check that the right builtin function is called, and
   *                    that the args are correctly promoted or truncated.
   *
   * check-output-ignore
   * check-output-contains:call.16 .* __builtin_bswap16
!  * check-output-contains:cast.32 .* (64) %arg1
   * check-output-contains:call.32 .* __builtin_bswap32
!  * check-output-contains:cast.64 .* (32) %arg1
   * check-output-contains:call.64 .* __builtin_bswap64
   */
--- 23,32 ----
   * check-description: Check that the right builtin function is called, and
   *                    that the args are correctly promoted or truncated.
   *
   * check-output-ignore
   * check-output-contains:call.16 .* __builtin_bswap16
!  * check-output-contains:trunc.32 .* (64) %arg1
   * check-output-contains:call.32 .* __builtin_bswap32
!  * check-output-contains:zext.64 .* (32) %arg1
   * check-output-contains:call.64 .* __builtin_bswap64
   */