From 75bea9d9849f005e48fd5b445b377f757a2ef6fb Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 11 Mar 2018 00:05:12 +0000
Subject: re.c: fixed escaped multibyte char

* re.c (unescape_nonascii): escaped multibyte character should be
  copied as-is, just with checking if the encoding matches.
  https://twitter.com/sakuro/status/972014409986883584

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62718 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_regexp.rb | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_regexp.rb b/test/ruby/test_regexp.rb
index 85d5b2cdfe..90892355e5 100644
--- a/test/ruby/test_regexp.rb
+++ b/test/ruby/test_regexp.rb
@@ -515,6 +515,8 @@ class TestRegexp < Test::Unit::TestCase
     s = ".........."
     5.times { s.sub!(".", "") }
     assert_equal(".....", s)
+
+    assert_equal("\\\u{3042}", Regexp.new("\\\u{3042}").source)
   end
 
   def test_equal
-- 
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