thread.c: preserve encoding

* thread.c (rb_thread_inspect): preserve encoding of the class
  name.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46135 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 0 deletions

diff --git a/test/ruby/test_thread.rb b/test/ruby/test_thread.rb
index b61e90166f..213b1f908e 100644
--- a/test/ruby/test_thread.rb
+++ b/test/ruby/test_thread.rb
@@ -27,6 +27,13 @@ class TestThread < Test::Unit::TestCase
     end
   end
 
+  def test_inspect
+    th = Module.new {break module_eval("class C\u{30b9 30ec 30c3 30c9} < Thread; self; end")}.start{}
+    assert_match(/::C\u{30b9 30ec 30c3 30c9}:/, th.inspect)
+  ensure
+    th.join
+  end
+
   def test_main_thread_variable_in_enumerator
     assert_equal Thread.main, Thread.current