11972 resync smatch

*** 34,40 ****
  c11-alignas.c:9:17: error: bad constant expression
  c11-alignas.c:10:17: error: Syntax error in unary expression
   * check-error-end
   *
   * check-output-ignore
!  * check-output-contains: ret\\.32 *\$0
   */
--- 34,40 ----
  c11-alignas.c:9:17: error: bad constant expression
  c11-alignas.c:10:17: error: Syntax error in unary expression
   * check-error-end
   *
   * check-output-ignore
!  * check-output-contains: ret\\.32 *\\$0
   */