Index: include/llvm/IR/DIBuilder.h
===================================================================
--- include/llvm/IR/DIBuilder.h
+++ include/llvm/IR/DIBuilder.h
@@ -158,7 +158,9 @@
 
     /// Create debugging information entry for a c++
     /// style reference or rvalue reference type.
-    DIDerivedType *createReferenceType(unsigned Tag, DIType *RTy);
+    DIDerivedType *createReferenceType(unsigned Tag, DIType *RTy,
+                                       uint64_t SizeInBits = 0,
+                                       uint64_t AlignInBits = 0);
 
     /// Create debugging information entry for a typedef.
     /// \param Ty          Original type.
Index: lib/IR/DIBuilder.cpp
===================================================================
--- lib/IR/DIBuilder.cpp
+++ lib/IR/DIBuilder.cpp
@@ -255,10 +255,12 @@
                             DITypeRef::get(Base));
 }
 
-DIDerivedType *DIBuilder::createReferenceType(unsigned Tag, DIType *RTy) {
+DIDerivedType *DIBuilder::createReferenceType(unsigned Tag, DIType *RTy,
+                                              uint64_t SizeInBits,
+                                              uint64_t AlignInBits) {
   assert(RTy && "Unable to create reference type");
   return DIDerivedType::get(VMContext, Tag, "", nullptr, 0, nullptr,
-                            DITypeRef::get(RTy), 0, 0, 0, 0);
+                            DITypeRef::get(RTy), SizeInBits, AlignInBits, 0, 0);
 }
 
 DIDerivedType *DIBuilder::createTypedef(DIType *Ty, StringRef Name,