diff --git a/lib/CodeGen/Mangle.cpp b/lib/CodeGen/Mangle.cpp
index 154153a..ac96224 100644
--- a/lib/CodeGen/Mangle.cpp
+++ b/lib/CodeGen/Mangle.cpp
@@ -2253,6 +2253,15 @@
   Mangler.mangleName(D);
 }
 
+void MangleContext::mangleReferenceTemporary(const VarDecl *D,
+                                             llvm::SmallVectorImpl<char> &Res) {
+  // We match the GCC mangling here.
+  //  <special-name> ::= GR <object name>
+  CXXNameMangler Mangler(*this, Res);
+  Mangler.getStream() << "_ZGR";
+  Mangler.mangleName(D);
+}
+
 void MangleContext::mangleCXXVTable(const CXXRecordDecl *RD,
                                     llvm::SmallVectorImpl<char> &Res) {
   // <special-name> ::= TV <type>  # virtual table
diff --git a/lib/CodeGen/Mangle.h b/lib/CodeGen/Mangle.h
index ec575cc..139f6c0 100644
--- a/lib/CodeGen/Mangle.h
+++ b/lib/CodeGen/Mangle.h
@@ -121,6 +121,8 @@
                                   llvm::SmallVectorImpl<char> &);
   virtual void mangleGuardVariable(const VarDecl *D,
                                    llvm::SmallVectorImpl<char> &);
+  virtual void mangleReferenceTemporary(const VarDecl *D,
+                                        llvm::SmallVectorImpl<char> &);
   virtual void mangleCXXVTable(const CXXRecordDecl *RD,
                                llvm::SmallVectorImpl<char> &);
   virtual void mangleCXXVTT(const CXXRecordDecl *RD,