merge revision(s) r49964: [Backport #10957]
* parse.y (primary): empty parentheses at cmdarg can be null. [ruby-core:68477] [Bug #10957]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@50128 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by nagachika (Tomoyuki Chikanaga) about 10 years ago
merge revision(s) r49964: [Backport #10957]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@50128 b2dd03c8-39d4-4d8f-98ff-823fe69b080e