new smatch

*** 3,9 ****
  /*
   * check-name: c11-noreturn
   * check-command: test-parsing -std=c11 $file
   *
   * check-output-ignore
!  * check-output-contains: \[noreturn\]
   */
--- 3,9 ----
  /*
   * check-name: c11-noreturn
   * check-command: test-parsing -std=c11 $file
   *
   * check-output-ignore
!  * check-output-contains: \\[noreturn\\]
   */