diff --git a/clang/include/clang/Frontend/MultiplexConsumer.h b/clang/include/clang/Frontend/MultiplexConsumer.h
index d95c069731cf..7299f73d979a 100644
--- a/clang/include/clang/Frontend/MultiplexConsumer.h
+++ b/clang/include/clang/Frontend/MultiplexConsumer.h
@@ -15,6 +15,7 @@
 #ifndef CLANG_FRONTEND_MULTIPLEXCONSUMER_H
 #define CLANG_FRONTEND_MULTIPLEXCONSUMER_H
 
+#include "clang/Basic/LLVM.h"
 #include "clang/Sema/SemaConsumer.h"
 #include "llvm/ADT/OwningPtr.h"
 #include <vector>
@@ -28,7 +29,7 @@ class MultiplexASTDeserializationListener;
 class MultiplexConsumer : public SemaConsumer {
 public:
   // Takes ownership of the pointers in C.
-  MultiplexConsumer(const std::vector<ASTConsumer*>& C);
+  MultiplexConsumer(ArrayRef<ASTConsumer*> C);
   ~MultiplexConsumer();
 
   // ASTConsumer
diff --git a/clang/lib/Frontend/MultiplexConsumer.cpp b/clang/lib/Frontend/MultiplexConsumer.cpp
index 6ca40abc2abe..f57b16b82473 100644
--- a/clang/lib/Frontend/MultiplexConsumer.cpp
+++ b/clang/lib/Frontend/MultiplexConsumer.cpp
@@ -148,8 +148,9 @@ void MultiplexASTMutationListener::StaticDataMemberInstantiated(
 }  // end namespace clang
 
 
-MultiplexConsumer::MultiplexConsumer(const std::vector<ASTConsumer*>& C)
-    : Consumers(C), MutationListener(0), DeserializationListener(0) {
+MultiplexConsumer::MultiplexConsumer(ArrayRef<ASTConsumer*> C)
+    : Consumers(C.begin(), C.end()),
+      MutationListener(0), DeserializationListener(0) {
   // Collect the mutation listeners and deserialization listeners of all
   // children, and create a multiplex listener each if so.
   std::vector<ASTMutationListener*> mutationListeners;