merges r24531 from trunk into ruby_1_9_1.

--
* lib/delegate.rb (Delegator#method_missing): __FILE__ may contain
  multi-byte characters.  a patch from Kenta Murata in [ruby-dev:39066].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@25481 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/delegate.rb b/lib/delegate.rb
index 025e901a89..cb16adbae9 100644
--- a/lib/delegate.rb
+++ b/lib/delegate.rb
@@ -137,7 +137,7 @@ class Delegator
         target.__send__(m, *args, &block)
       end
     rescue Exception
-      $@.delete_if{|s| %r"\A#{__FILE__}:\d+:in `method_missing'\z"o =~ s}
+      $@.delete_if{|s| %r"\A#{Regexp.quote(__FILE__)}:\d+:in `method_missing'\z"o =~ s}
       ::Kernel::raise
     end
   end