Index: llvm/trunk/include/llvm/DebugInfo/CodeView/TypeRecordMapping.h
===================================================================
--- llvm/trunk/include/llvm/DebugInfo/CodeView/TypeRecordMapping.h
+++ llvm/trunk/include/llvm/DebugInfo/CodeView/TypeRecordMapping.h
@@ -25,6 +25,7 @@
   explicit TypeRecordMapping(BinaryStreamReader &Reader) : IO(Reader) {}
   explicit TypeRecordMapping(BinaryStreamWriter &Writer) : IO(Writer) {}
 
+  using TypeVisitorCallbacks::visitTypeBegin;
   Error visitTypeBegin(CVType &Record) override;
   Error visitTypeEnd(CVType &Record) override;
 
Index: llvm/trunk/include/llvm/DebugInfo/CodeView/TypeSerializer.h
===================================================================
--- llvm/trunk/include/llvm/DebugInfo/CodeView/TypeSerializer.h
+++ llvm/trunk/include/llvm/DebugInfo/CodeView/TypeSerializer.h
@@ -93,6 +93,7 @@
   TypeIndex insertRecord(const RemappedType &Record);
   Expected<TypeIndex> visitTypeEndGetIndex(CVType &Record);
 
+  using TypeVisitorCallbacks::visitTypeBegin;
   Error visitTypeBegin(CVType &Record) override;
   Error visitTypeEnd(CVType &Record) override;
   Error visitMemberBegin(CVMemberRecord &Record) override;