From 62ed56135be5fd9567fab6647fc588b234a96e04 Mon Sep 17 00:00:00 2001
From: Matthew Draper <matthew@trebex.net>
Date: Mon, 3 Oct 2016 05:22:28 +1030
Subject: [PATCH] Correct caller tracking in delegated deprecation methods

---
 .../deprecation/instance_delegator.rb               | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/activesupport/lib/active_support/deprecation/instance_delegator.rb b/activesupport/lib/active_support/deprecation/instance_delegator.rb
index 8efa6aabdc..6d390f3b37 100644
--- a/activesupport/lib/active_support/deprecation/instance_delegator.rb
+++ b/activesupport/lib/active_support/deprecation/instance_delegator.rb
@@ -6,6 +6,7 @@ module ActiveSupport
     module InstanceDelegator # :nodoc:
       def self.included(base)
         base.extend(ClassMethods)
+        base.singleton_class.prepend(OverrideDelegators)
         base.public_class_method :new
       end
 
@@ -19,6 +20,18 @@ module ActiveSupport
           singleton_class.delegate(method_name, to: :instance)
         end
       end
+
+      module OverrideDelegators # :nodoc:
+        def warn(message = nil, callstack = nil)
+          callstack ||= caller_locations(2)
+          super
+        end
+
+        def deprecation_warning(deprecated_method_name, message = nil, caller_backtrace = nil)
+          caller_backtrace ||= caller_locations(2)
+          super
+        end
+      end
     end
   end
 end