merges r29205 from trunk into ruby_1_9_2.

--
* vm.c (vm_backtrace_each): skip allocator frames which have no
  name.  [ruby-core:32231]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@29665 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 0 deletions

diff --git a/test/digest/test_digest.rb b/test/digest/test_digest.rb
index 9f95afa1de..e35047e979 100755
--- a/test/digest/test_digest.rb
+++ b/test/digest/test_digest.rb
@@ -125,4 +125,11 @@ module TestDigest
       Data2 => "12a053384a9c0c88e405a06c27dcf49ada62eb2b",
     }
   end if defined?(Digest::RMD160)
+
+  class TestBase < Test::Unit::TestCase
+    def test_base
+      bug3810 = '[ruby-core:32231]'
+      assert_raise(NotImplementedError, bug3810) {Digest::Base.new}
+    end
+  end
 end