Symbol support for opt_eq_func.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58895 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Symbol support for opt_eq_func.
[Bug #13330] [fix GH-1540]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58895 b2dd03c8-39d4-4d8f-98ff-823fe69b080e