diff -r 000000000000 -r 6474c204b198 js/src/jit/x64/BaselineCompiler-x64.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit/x64/BaselineCompiler-x64.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef jit_x64_BaselineCompiler_x64_h
+#define jit_x64_BaselineCompiler_x64_h
+
+#include "jit/shared/BaselineCompiler-x86-shared.h"
+
+namespace js {
+namespace jit {
+
+class BaselineCompilerX64 : public BaselineCompilerX86Shared
+{
+  protected:
+    BaselineCompilerX64(JSContext *cx, TempAllocator &alloc, JSScript *script);
+};
+
+typedef BaselineCompilerX64 BaselineCompilerSpecific;
+
+} // namespace jit
+} // namespace js
+
+#endif /* jit_x64_BaselineCompiler_x64_h */