11972 resync smatch

          --- old/usr/src/tools/smatch/src/validation/constexpr-labelref.c
          +++ new/usr/src/tools/smatch/src/validation/constexpr-labelref.c
   1    1  static void a(void)
   2    2  {
   3    3  label1:
   4    4          ;
   5    5          static void *b = &&label1;
   6    6  }
   7    7  
   8    8  /*
   9      - * check-name: label reference constness verification.
        9 + * check-name: constexprness label reference
  10   10   * check-command: sparse -Wconstexpr-not-const $file
  11   11   *
  12   12   * check-error-start
  13   13   * check-error-end
  14   14   */
    

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