Index: include/clang/Sema/Template.h
===================================================================
--- include/clang/Sema/Template.h
+++ include/clang/Sema/Template.h
@@ -273,6 +273,11 @@
     /// outermost scope.
     LocalInstantiationScope *cloneScopes(LocalInstantiationScope *Outermost) {
       if (this == Outermost) return this;
+
+      // Save the current scope from SemaRef since the LocalInstantiationScope
+      // will overwrite it on construction
+      LocalInstantiationScope *oldScope = SemaRef.CurrentInstantiationScope;
+
       LocalInstantiationScope *newScope =
         new LocalInstantiationScope(SemaRef, CombineWithOuterScope);
 
@@ -299,6 +304,8 @@
           newScope->ArgumentPacks.push_back(NewPack);
         }
       }
+      // Restore the saved scope to SemaRef
+      SemaRef.CurrentInstantiationScope = oldScope;
       return newScope;
     }
 
Index: test/SemaCXX/warn-thread-safety-negative.cpp
===================================================================
--- test/SemaCXX/warn-thread-safety-negative.cpp
+++ test/SemaCXX/warn-thread-safety-negative.cpp
@@ -102,3 +102,20 @@
 };
 
 }  // end namespace SimpleTest
+
+namespace DoubleAttribute {
+
+struct Foo {
+  Mutex &mutex();
+};
+
+template <typename A>
+class TemplateClass {
+  template <typename B>
+  static void Function(Foo *F)
+      EXCLUSIVE_LOCKS_REQUIRED(F->mutex()) UNLOCK_FUNCTION(F->mutex()) {}
+};
+
+void test() { TemplateClass<int> TC; }
+
+}  // end namespace DoubleAttribute