Add function for mangling reference temporaries.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106948 91177308-0d34-0410-b5e6-96231b3b80d8
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