--- /dev/null
+// Copyright 2018 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 !go1.11
+
+package gccgoimporter
+
+import "go/types"
+
+func newInterface(methods []*types.Func, embeddeds []types.Type) *types.Interface {
+ named := make([]*types.Named, len(embeddeds))
+ for i, e := range embeddeds {
+ var ok bool
+ named[i], ok = e.(*types.Named)
+ if !ok {
+ panic("embedding of non-defined interfaces in interfaces is not supported before Go 1.11")
+ }
+ }
+ return types.NewInterface(methods, named)
+}