[Truffle] make Hash#each_item immune to each overriding

jruby · Sep 15, 2015 · f8d0c9f · f8d0c9f
1 parent bc6523f
commit f8d0c9f
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/truffle/src/main/ruby/core/hash.rb b/truffle/src/main/ruby/core/hash.rb
@@ -1,7 +1,7 @@
 # Copyright (c) 2015 Oracle and/or its affiliates. All rights reserved. This
 # code is released under a tri EPL/GPL/LGPL license. You can use it,
 # redistribute it and/or modify it under the terms of the:
-# 
+#
 # Eclipse Public License version 1.0
 # GNU General Public License version 2
 # GNU Lesser General Public License version 2.1
@@ -37,8 +37,11 @@ def initialize(key, value)
 
   end
 
+  alias_method :each_original, :each
+
   def each_item
-    each do |key, value|
+    # use aliased each to protect against overriding #each
+    each_original do |key, value|
       yield KeyValue.new(key, value)
     end
     nil