From 13d2ab0d88bbf72ed310efaec6edc46dd96fdb4d Mon Sep 17 00:00:00 2001
From: nagachika <nagachika@ruby-lang.org>
Date: Thu, 23 Jul 2020 11:16:31 +0900
Subject: merge revision(s) 2ecfb88ee50510955acd3ae9fc94a5f109e7f109: [Backport
 #16918]

	Correctly remove temporary directory if path yielded is mutated

	Another approach would be to freeze the string, but that could
	cause backwards compatibility issues.

	Fixes [Bug #16918]
---
 lib/tmpdir.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/tmpdir.rb')

diff --git a/lib/tmpdir.rb b/lib/tmpdir.rb
index ea1d380ef1..1bbf7ea46a 100644
--- a/lib/tmpdir.rb
+++ b/lib/tmpdir.rb
@@ -86,7 +86,7 @@ class Dir
     }
     if block_given?
       begin
-        yield path
+        yield path.dup
       ensure
         unless base
           stat = File.stat(File.dirname(path))
-- 
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