var sizes types.Sizes
	if w.context != nil {
		sizes = types.SizesFor(w.context.Compiler, w.context.GOARCH)
	}
	conf := types.Config{
		IgnoreFuncBodies: true,
		FakeImportC:      true,
		Importer:         w,
		Sizes:            sizes,
	}
	tpkg, err := conf.Check(name, fset, files, nil)
	if err != nil {
		ctxt := "<no context>"
		if w.context != nil {