11972 resync smatch

          --- old/usr/src/tools/smatch/src/validation/constexpr-pointer-cast.c
          +++ new/usr/src/tools/smatch/src/validation/constexpr-pointer-cast.c
   1    1  static int *a = (int*)0;        // OK
   2    2  static int b = 0;
   3    3  static int *c = (int*)b;        // KO
   4    4  
   5    5  
   6    6  /*
   7      - * check-name: integer literal cast to pointer type constness verification.
        7 + * check-name: constexprness integer literal cast to pointer type
   8    8   * check-command: sparse -Wconstexpr-not-const $file
   9    9   *
  10   10   * check-error-start
  11   11  constexpr-pointer-cast.c:3:18: warning: non-constant initializer for static object
  12   12   * check-error-end
  13   13   */
    

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