--- /dev/null
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build go1.9
+
+package main
+
+import "go/types"
+
+const defaultCompiler = "source"
+
+func SizesFor(compiler, arch string) types.Sizes {
+ return types.SizesFor(compiler, arch)
+}