Add mangling for VTTs.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85363 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/Mangle.h b/lib/CodeGen/Mangle.h
index 2cdb4e2..6ddec58 100644
--- a/lib/CodeGen/Mangle.h
+++ b/lib/CodeGen/Mangle.h
@@ -65,6 +65,8 @@
                            llvm::raw_ostream &os);
   void mangleCXXVtable(MangleContext &Context, const CXXRecordDecl *RD,
                        llvm::raw_ostream &os);
+  void mangleCXXVTT(MangleContext &Context, const CXXRecordDecl *RD,
+                       llvm::raw_ostream &os);
   void mangleCXXRtti(MangleContext &Context, const CXXRecordDecl *RD, 
                      llvm::raw_ostream &os);
   void mangleCXXCtor(MangleContext &Context, const CXXConstructorDecl *D,