new smatch

@@ -11,11 +11,11 @@
         [__builtin_offsetof(struct A, a[0*0])] = 0,     // OK
         [__builtin_offsetof(struct A, a[c])] = 0        // KO
 };
 
 /*
- * check-name: __builtin_offsetof() constness verification.
+ * check-name: constexprness __builtin_offsetof()
  *
  * check-error-start
 constexpr-offsetof.c:12:39: error: bad constant expression
  * check-error-end
  */