From 5e032ffed0227f9e9b3029333d4b1cf67b90070d Mon Sep 17 00:00:00 2001
From: James Cheng <jacheng@mozilla.com>
Date: Thu, 8 Oct 2015 11:38:00 +0200
Subject: [PATCH] Bug 1212745 - Part 1 - operator() Use perfect forwarding to
 avoid redundant copy. r=nfroyd

---
 mfbt/Function.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/mfbt/Function.h b/mfbt/Function.h
index 13d782f725a..1cc3a5622d6 100644
--- a/mfbt/Function.h
+++ b/mfbt/Function.h
@@ -155,10 +155,11 @@ public:
     return *this;
   }
 
-  ReturnType operator()(Arguments... aArguments) const
+  template<typename... Args>
+  ReturnType operator()(Args&&... aArguments) const
   {
     MOZ_ASSERT(mImpl);
-    return mImpl->call(Forward<Arguments>(aArguments)...);
+    return mImpl->call(Forward<Args>(aArguments)...);
   }
 private:
   // TODO: Consider implementing a small object optimization.