From 77df5bb1b5ab3e4d6ed32d0b43acb69b3167f5dd Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 30 Dec 2012 14:33:38 +0000
Subject: parse.y: escaped closing parenthsis

* parse.y (simple_re_meta): escaped closing parenthsis has different
  meaning.  [Bug #7610] [ruby-core:51088]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38663 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_regexp.rb | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'test')

diff --git a/test/ruby/test_regexp.rb b/test/ruby/test_regexp.rb
index 03c7fd4443..faafe336ec 100644
--- a/test/ruby/test_regexp.rb
+++ b/test/ruby/test_regexp.rb
@@ -179,6 +179,12 @@ class TestRegexp < Test::Unit::TestCase
     assert_equal(expected, result)
   end
 
+  def test_source_escaped_paren
+    bug7610 = '[ruby-core:51088]'
+    s = '\(a\)'
+    assert_equal(/#{s}/, eval("%r(#{s})"), bug7610)
+  end
+
   def test_source_unescaped
     expected, result = "!\"#%&',-/:;=@_`~".each_char.map {|c|
       [
-- 
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