Initial check in
Bug: 137197907
diff --git a/src/llvm-project/clang/lib/Serialization/ModuleFileExtension.cpp b/src/llvm-project/clang/lib/Serialization/ModuleFileExtension.cpp
new file mode 100644
index 0000000..5bd0a1c
--- /dev/null
+++ b/src/llvm-project/clang/lib/Serialization/ModuleFileExtension.cpp
@@ -0,0 +1,21 @@
+//===-- ModuleFileExtension.cpp - Module File Extensions ------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+#include "clang/Serialization/ModuleFileExtension.h"
+#include "llvm/ADT/Hashing.h"
+using namespace clang;
+
+ModuleFileExtension::~ModuleFileExtension() { }
+
+llvm::hash_code ModuleFileExtension::hashExtension(llvm::hash_code Code) const {
+ return Code;
+}
+
+ModuleFileExtensionWriter::~ModuleFileExtensionWriter() { }
+
+ModuleFileExtensionReader::~ModuleFileExtensionReader() { }
