diff --git a/clang/lib/CodeGen/Mangle.cpp b/clang/lib/CodeGen/Mangle.cpp
index 94abcbe39074..143b36676a08 100644
--- a/clang/lib/CodeGen/Mangle.cpp
+++ b/clang/lib/CodeGen/Mangle.cpp
@@ -53,6 +53,8 @@ namespace {
 
     void mangleCXXVtable(const CXXRecordDecl *RD);
     void mangleCXXVTT(const CXXRecordDecl *RD);
+    void mangleCXXCtorVtable(const CXXRecordDecl *RD, int64_t Offset,
+                             const CXXRecordDecl *Type);
     void mangleCXXRtti(QualType Ty);
     void mangleCXXCtor(const CXXConstructorDecl *D, CXXCtorType Type);
     void mangleCXXDtor(const CXXDestructorDecl *D, CXXDtorType Type);
@@ -216,6 +218,17 @@ void CXXNameMangler::mangleCXXVTT(const CXXRecordDecl *RD) {
   mangleName(RD);
 }
 
+void CXXNameMangler::mangleCXXCtorVtable(const CXXRecordDecl *RD,
+                                         int64_t Offset,
+                                         const CXXRecordDecl *Type) {
+  // <special-name> ::= TC <type> <offset number> _ <base type>
+  Out << "_ZTC";
+  mangleName(RD);
+  Out << Offset;
+  Out << "_";
+  mangleName(Type);
+}
+
 void CXXNameMangler::mangleCXXRtti(QualType Ty) {
   // <special-name> ::= TI <type>  # typeinfo structure
   Out << "_ZTI";
@@ -1443,6 +1456,15 @@ namespace clang {
     os.flush();
   }
 
+  void mangleCXXCtorVtable(MangleContext &Context, const CXXRecordDecl *RD,
+                           int64_t Offset, const CXXRecordDecl *Type,
+                           llvm::raw_ostream &os) {
+    CXXNameMangler Mangler(Context, os);
+    Mangler.mangleCXXCtorVtable(RD, Offset, Type);
+
+    os.flush();
+  }
+
   void mangleCXXRtti(MangleContext &Context, QualType Ty,
                      llvm::raw_ostream &os) {
     CXXNameMangler Mangler(Context, os);
diff --git a/clang/lib/CodeGen/Mangle.h b/clang/lib/CodeGen/Mangle.h
index 7f46a106f32a..df50afa6e937 100644
--- a/clang/lib/CodeGen/Mangle.h
+++ b/clang/lib/CodeGen/Mangle.h
@@ -67,6 +67,9 @@ namespace clang {
                        llvm::raw_ostream &os);
   void mangleCXXVTT(MangleContext &Context, const CXXRecordDecl *RD,
                        llvm::raw_ostream &os);
+  void mangleCXXCtorVtable(MangleContext &Context, const CXXRecordDecl *RD,
+                           int64_t Offset, const CXXRecordDecl *Type,
+                       llvm::raw_ostream &os);
   void mangleCXXRtti(MangleContext &Context, QualType T, 
                      llvm::raw_ostream &os);
   void mangleCXXCtor(MangleContext &Context, const CXXConstructorDecl *D,