From 18e3343d33143b0a1f7e81e9d91096b6a3c2f8c6 Mon Sep 17 00:00:00 2001
From: Luke Zarko <zarko@google.com>
Date: Thu, 13 Jun 2013 14:06:06 -0700
Subject: Allow external code to use Sema.h with -Wimplicit-fallthrough

---
diff --git a/include/clang/Sema/Sema.h b/include/clang/Sema/Sema.h
index 3c4cbae..117a519 100644
--- a/include/clang/Sema/Sema.h
+++ b/include/clang/Sema/Sema.h
@@ -5867,10 +5867,7 @@ public:
 
       case PriorTemplateArgumentSubstitution:
       case DefaultTemplateArgumentChecking:
-        if (X.Template != Y.Template)
-          return false;
-
-        // Fall through
+        return X.Template == Y.Template && X.TemplateArgs == Y.TemplateArgs;
 
       case DefaultTemplateArgumentInstantiation:
       case ExplicitTemplateArgumentSubstitution:
-- 
1.8.3