* array.c (rb_ary_delete): element comparison might change array

size. [ruby-dev:24273]

* parse.y: make ruby parser reentrant. merge ripper parser to the
  real one.  this change makes ruby require bison.

* file.c (rb_file_truncate): clear stdio buffer before truncating
  the file.  [ruby-dev:24191]

* ext/digest/digest.c: use rb_obj_class() instead of CLASS_OF
  which might return singleton class.  [ruby-dev:24202]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6919 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/digest/test_digest.rb

@@ -89,7 +89,7 @@ class TestDigest < Test::Unit::TestCase
     end
   end
 
-  def test_instance_eval # [ruby-dev:24202]
+  def test_instance_eval
     assert_nothing_raised {
       Digest::SHA1.new.instance_eval { update "a" }
     }