From 207974e04e57285c1f1c71394997cbd5dd0cd232 Mon Sep 17 00:00:00 2001
From: Benoit Daloze <eregontp@gmail.com>
Date: Thu, 26 Sep 2019 10:24:17 +0200
Subject: [PATCH] Use String#+@ before mutating the result of Symbol#to_s

* String#+@ is available since Ruby 2.3.
* See the upstream Ruby change making Symbol#to_s return a frozen String
  for efficiency: https://github.com/ruby/ruby/pull/2437
---
 activesupport/lib/active_support/ordered_options.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/activesupport/lib/active_support/ordered_options.rb b/activesupport/lib/active_support/ordered_options.rb
index c4e419f546..ea822706e8 100644
--- a/activesupport/lib/active_support/ordered_options.rb
+++ b/activesupport/lib/active_support/ordered_options.rb
@@ -39,7 +39,7 @@ module ActiveSupport
     end
 
     def method_missing(name, *args)
-      name_string = name.to_s
+      name_string = +name.to_s
       if name_string.chomp!("=")
         self[name_string] = args.first
       else