diff --git a/ChangeLog b/ChangeLog
index c097d0f89f..65068cb715 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed Sep 22 01:49:52 2010  Koichi Sasada  <ko1@atdot.net>
+
+	* bootstraptest/test_method.rb: add a test for [ruby-core:30534].
+
 Wed Sep 22 00:52:44 2010  WATANABE Hirofumi  <eban@ruby-lang.org>
 
 	* lib/rdoc/ri/store.rb (save_cache): remove duplicate entries.
diff --git a/bootstraptest/test_method.rb b/bootstraptest/test_method.rb
index f57bf6214e..2f5967933c 100644
--- a/bootstraptest/test_method.rb
+++ b/bootstraptest/test_method.rb
@@ -1175,3 +1175,8 @@ assert_equal 'ok', %q{
     'ok'
   end
 }
+assert_equal 'ok', %q{
+  p [0][0, &proc{}] += 21
+  'ok'
+}, '[ruby-core:30534]'
+