error.c: check argument of Warning.warn
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56274 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by nobu (Nobuyoshi Nakada) over 7 years ago
error.c: check argument of Warning.warn
ASCII-compatible string. [ruby-core:77430] [Bug #12793]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56274 b2dd03c8-39d4-4d8f-98ff-823fe69b080e