diff --git a/ChangeLog b/ChangeLog
index ea952ff13b..79ac4bd749 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sat Oct 13 01:37:48 2012  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* test/ruby/test_regexp.rb
+	  (TestRegexp#test_raw_hyphen_and_type_char_after_range): added new
+	  test. ref [ruby-core:47115] [Backport #6853]
+
 Fri Oct 12 21:55:08 2012  Hiroshi Shirosaki  <h.shirosaki@gmail.com>
 
 	* include/ruby/win32.h (rb_w32_pow): set floating point precision
diff --git a/test/ruby/test_regexp.rb b/test/ruby/test_regexp.rb
index 7e31e99aa7..7238e55fe1 100644
--- a/test/ruby/test_regexp.rb
+++ b/test/ruby/test_regexp.rb
@@ -911,4 +911,14 @@ class TestRegexp < Test::Unit::TestCase
     assert_match(/invalid hex escape/, error.message)
     assert_equal(1, error.message.scan(/.*invalid .*escape.*/i).size, bug3539)
   end
+
+  def test_raw_hyphen_and_type_char_after_range
+    bug6853 = '[ruby-core:47115]'
+    begin
+      verbose, $VERBOSE = $VERBOSE, nil
+      assert_match(/[0-1-\s]/, ' ', bug6853)
+    ensure
+      $VERBOSE = verbose
+    end
+  end
 end