From f2f3e60a8a208c8da7fa34250c454f0645a5326d Mon Sep 17 00:00:00 2001
From: drbrain <drbrain@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 22 Dec 2008 23:06:47 +0000
Subject: Don't remove methods twice.  [bug#555]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20923 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog      | 4 ++++
 gem_prelude.rb | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index c765976b87..f75cf921f0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Dec 23 08:04:58 2008  Eric Hodel  <drbrain@segment7.net>
+
+	* gem_prelude.rb: Don't remove methods twice.  [bug#555]
+
 Tue Dec 23 00:16:48 2008  Yusuke Endoh  <mame@tsg.ne.jp>
 
 	* sprintf.c (rb_str_format): fix buffer overflow.
diff --git a/gem_prelude.rb b/gem_prelude.rb
index 406f40fe5a..becf626a80 100644
--- a/gem_prelude.rb
+++ b/gem_prelude.rb
@@ -198,7 +198,13 @@ if defined?(Gem) then
 
     module QuickLoader
 
+      @loaded_full_rubygems_library = false
+
       def self.load_full_rubygems_library
+        return if @loaded_full_rubygems_library
+
+        @loaded_full_rubygems_library = true
+
         class << Gem
           Gem::GEM_PRELUDE_METHODS.each do |method_name|
             undef_method method_name
-- 
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