From f5f6218a23fdbe45d1a80c202a131f02c3eef0ce Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 25 Dec 2014 03:47:46 +0000
Subject: parse.y: warn past scope variable

* parse.y (gettable_gen): warn possible reference to a local
  variable defined in a past scope.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48986 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_parse.rb | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_parse.rb b/test/ruby/test_parse.rb
index 70b38a2a7e..38dca83053 100644
--- a/test/ruby/test_parse.rb
+++ b/test/ruby/test_parse.rb
@@ -873,4 +873,8 @@ x = __ENCODING__
     a = "\u{3042}"
     assert_warning(/#{a}/) {eval("#{a} = 1; /(?<#{a}>)/ =~ ''")}
   end
+
+  def test_past_scope_variable
+    assert_warning(/past scope/) {catch {|tag| eval("BEGIN{throw tag}; tap {a = 1}; a")}}
+  end
 end
-- 
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