Check in LLVM r95781.
diff --git a/lib/Target/TargetAsmLexer.cpp b/lib/Target/TargetAsmLexer.cpp
new file mode 100644
index 0000000..d4893ff
--- /dev/null
+++ b/lib/Target/TargetAsmLexer.cpp
@@ -0,0 +1,14 @@
+//===-- llvm/Target/TargetAsmLexer.cpp - Target Assembly Lexer ------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Target/TargetAsmLexer.h"
+using namespace llvm;
+
+TargetAsmLexer::TargetAsmLexer(const Target &T) : TheTarget(T), Lexer(NULL) {}
+TargetAsmLexer::~TargetAsmLexer() {}