insns.def: preserve encoding

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

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51054 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 0 deletions

diff --git a/test/ruby/test_class.rb b/test/ruby/test_class.rb
index 4f7e037580..27558e33dd 100644
--- a/test/ruby/test_class.rb
+++ b/test/ruby/test_class.rb
@@ -359,6 +359,16 @@ class TestClass < Test::Unit::TestCase
         end
       end;
     end
+
+    m = Module.new
+    n = "M\u{1f5ff}"
+    c = m.module_eval "class #{n}; new; end"
+    assert_raise_with_message(TypeError, /#{n}/) {
+      eval <<-"end;"
+        class C < c
+        end
+      end;
+    }
   end
 
   def test_cloned_singleton_method_added