* lib/adlint/cc1/syntax.rb : Fix bad expression-constancy check in order
  not to misunderstand that an expression contains object-specifier
  which designates a variable is constant-expression when a function of
  the same name has been declared.
* lib/adlint/cc1/mediator.rb : Ditto.
* lib/adlint/cc1/object.rb : Ditto.

* features/code_check/W0422.feature : Add scenario to reproduce a known
  bug.