From 3c6e609578ff825c3348395ceb6e346056a18056 Mon Sep 17 00:00:00 2001
From: Eric Mueller <nevinera@gmail.com>
Date: Tue, 7 May 2024 12:56:32 -0400
Subject: [PATCH] Explicity use an RSpec::Support::Mutex

Rather than relying on the order of namespace-searching. It'll be
clearer to future travellers what's going on here this way.
---
 lib/rspec/mocks/proxy.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/rspec/mocks/proxy.rb b/lib/rspec/mocks/proxy.rb
index a78639b40..c1d3dab38 100644
--- a/lib/rspec/mocks/proxy.rb
+++ b/lib/rspec/mocks/proxy.rb
@@ -27,7 +27,7 @@ def initialize(object, order_group, options={})
         @order_group = order_group
         @error_generator = ErrorGenerator.new(object)
         @messages_received = []
-        @messages_received_mutex = Mutex.new
+        @messages_received_mutex = Support::Mutex.new
         @options = options
         @null_object = false
         @method_doubles = Hash.new { |h, k| h[k] = MethodDouble.new(@object, k, self) }