insns.def: preserve encoding

* insns.def (defineclass): preserve encoding of name in error
  messages for super class mismatch.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51055 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 0 deletions

diff --git a/test/ruby/test_class.rb b/test/ruby/test_class.rb
index 27558e33dd..9c016dd693 100644
--- a/test/ruby/test_class.rb
+++ b/test/ruby/test_class.rb
@@ -369,6 +369,9 @@ class TestClass < Test::Unit::TestCase
         end
       end;
     }
+    assert_raise_with_message(TypeError, /#{n}/) {
+      m.module_eval "class #{n} < Class.new; end"
+    }
   end
 
   def test_cloned_singleton_method_added