From b5cae3820b48d2208131ecc7ca442de6ad528e4c Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 6 May 2014 14:29:07 +0000
Subject: parse.y: no duplicated names

* parse.y (new_bv_gen): no duplicated names, if already added in
  shadowing_lvar().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45846 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_variable.rb | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'test/ruby/test_variable.rb')

diff --git a/test/ruby/test_variable.rb b/test/ruby/test_variable.rb
index 89f1d58348..e6730f858f 100644
--- a/test/ruby/test_variable.rb
+++ b/test/ruby/test_variable.rb
@@ -89,6 +89,12 @@ class TestVariable < Test::Unit::TestCase
     assert_equal([:x, :bug9486, :x], x)
   end
 
+  def test_shadowing_block_local_variables
+    bug9486 = '[ruby-core:60501] [Bug #9486]'
+    x = tap {|;x| break local_variables}
+    assert_equal([:x, :bug9486, :x], x)
+  end
+
   def local_variables_of(bind)
     this_should_not_be_in_bind = 2
     bind.local_variables
-- 
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