diff -r 000000000000 -r 6474c204b198 js/src/jit/BaselineHelpers.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit/BaselineHelpers.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,32 @@
+/* -*- 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_BaselineHelpers_h
+#define jit_BaselineHelpers_h
+
+#ifdef JS_ION
+
+#if defined(JS_CODEGEN_X86)
+# include "jit/x86/BaselineHelpers-x86.h"
+#elif defined(JS_CODEGEN_X64)
+# include "jit/x64/BaselineHelpers-x64.h"
+#elif defined(JS_CODEGEN_ARM)
+# include "jit/arm/BaselineHelpers-arm.h"
+#elif defined(JS_CODEGEN_MIPS)
+# include "jit/mips/BaselineHelpers-mips.h"
+#else
+# error "Unknown architecture!"
+#endif
+
+namespace js {
+namespace jit {
+
+} // namespace jit
+} // namespace js
+
+#endif // JS_ION
+
+#endif /* jit_BaselineHelpers_h */