From a6cf2f3d22a78aeae9d7f36cc78a195deb686705 Mon Sep 17 00:00:00 2001
From: Jeremy Evans <code@jeremyevans.net>
Date: Sun, 27 Oct 2019 16:03:07 -0700
Subject: Make mutating the result of SortedSet#to_a not affect the set

Fixes [Bug #15834]
---
 lib/set.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/set.rb b/lib/set.rb
index b8ab6ab172..d405d81178 100644
--- a/lib/set.rb
+++ b/lib/set.rb
@@ -778,7 +778,7 @@ class SortedSet < Set
 
             def to_a
               (@keys = @hash.keys).sort! unless @keys
-              @keys
+              @keys.dup
             end
 
             def freeze
-- 
cgit v1.2.3