operand of the not operator (e.g., not ()).
[ruby-core:45976] [Bug #6674]
* parse.y (parser_yylex): show no warning for a grouped expression
as the operand of the not operator (e.g., not (a)) or as an
argument of a method call without parentheses (e.g., foo (a)).
[ruby-core:39050] [Bug #5214]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36434 b2dd03c8-39d4-4d8f-98ff-823fe69b080e