Add MicrosoftVFTableContext to AST

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@187409 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGVTables.h b/lib/CodeGen/CGVTables.h
index fe51d50..bd70b5c 100644
--- a/lib/CodeGen/CGVTables.h
+++ b/lib/CodeGen/CGVTables.h
@@ -32,6 +32,7 @@
   CodeGenModule &CGM;
 
   VTableContext VTContext;
+  OwningPtr<MicrosoftVFTableContext> VFTContext;
 
   /// VTables - All the vtables which have been defined.
   llvm::DenseMap<const CXXRecordDecl *, llvm::GlobalVariable *> VTables;