Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/DebugInfo/PDB/PDB.h b/linux-x64/clang/include/llvm/DebugInfo/PDB/PDB.h
new file mode 100644
index 0000000..9f9da39
--- /dev/null
+++ b/linux-x64/clang/include/llvm/DebugInfo/PDB/PDB.h
@@ -0,0 +1,32 @@
+//===- PDB.h - base header file for creating a PDB reader -------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_DEBUGINFO_PDB_PDB_H
+#define LLVM_DEBUGINFO_PDB_PDB_H
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/DebugInfo/PDB/PDBTypes.h"
+#include "llvm/Support/Error.h"
+#include <memory>
+
+namespace llvm {
+namespace pdb {
+
+class IPDBSession;
+
+Error loadDataForPDB(PDB_ReaderType Type, StringRef Path,
+ std::unique_ptr<IPDBSession> &Session);
+
+Error loadDataForEXE(PDB_ReaderType Type, StringRef Path,
+ std::unique_ptr<IPDBSession> &Session);
+
+} // end namespace pdb
+} // end namespace llvm
+
+#endif // LLVM_DEBUGINFO_PDB_PDB_H