erb: suppress warnings

* bin/erb (ERB::Main#run): get rid of shadowing outer local
  variables.  [ruby-core:65772] [Feature #10395]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48788 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Sat Dec 13 04:59:20 2014  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* bin/erb (ERB::Main#run): get rid of shadowing outer local
+	  variables.  [ruby-core:65772] [Feature #10395]
+
 Fri Dec 12 21:56:44 2014  Kouhei Sutou  <kou@cozmixng.org>
 
 	* gems/bundled_gems: Upgrade to test-unit 3.0.8. assert_throw and

bin/erb

@@ -141,7 +141,7 @@ EOU
         bind = TOPLEVEL_BINDING.taint
         if variables
           enc = erb.encoding
-          variables.each do |var, val|
+          for var, val in variables do
             val = val.encode(enc) if val
             bind.local_variable_set(var, val)
           end

test/erb/test_erb_command.rb

@@ -3,7 +3,8 @@ require 'test/unit'
 
 class TestErbCommand < Test::Unit::TestCase
   def test_var
-    assert_in_out_err([File.expand_path("../../../bin/erb", __FILE__),
+    assert_in_out_err(["-w",
+                       File.expand_path("../../../bin/erb", __FILE__),
                        "var=hoge"],
                       "<%=var%>", ["hoge"])
   end