--- /dev/null
+//===- PDBSymbolUsingNamespace.cpp - ------------------- --------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include <utility>
+
+#include "llvm/DebugInfo/PDB/PDBSymbol.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolUsingNamespace.h"
+
+using namespace llvm;
+
+PDBSymbolUsingNamespace::PDBSymbolUsingNamespace(
+ std::unique_ptr<IPDBRawSymbol> Symbol)
+ : PDBSymbol(std::move(Symbol)) {}
+
+void PDBSymbolUsingNamespace::dump(llvm::raw_ostream &OS) const {}