symbol.c: more informative error message
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53650 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by nobu (Nobuyoshi Nakada) about 8 years ago
symbol.c: more informative error message
with the encoding name and the inspected content.
[ruby-core:73398] [Feature #12016]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53650 b2dd03c8-39d4-4d8f-98ff-823fe69b080e