Imported Upstream version 60upstream/60

1 files changed, 37 insertions, 0 deletions

diff --git a/test/interface/pointer.go b/test/interface/pointer.go
new file mode 100644
index 000000000..fe4d8e3ef
--- /dev/null
+++ b/test/interface/pointer.go
@@ -0,0 +1,37 @@
+// errchk $G $D/$F.go
+
+// Copyright 2009 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.
+
+// Check that interface{M()} = *interface{M()} produces a compiler error.
+
+package main
+
+type Inst interface {
+	Next() *Inst
+}
+
+type Regexp struct {
+	code  []Inst
+	start Inst
+}
+
+type Start struct {
+	foo *Inst
+}
+
+func (start *Start) Next() *Inst { return nil }
+
+
+func AddInst(Inst) *Inst {
+	print("ok in addinst\n")
+	return nil
+}
+
+func main() {
+	print("call addinst\n")
+	var x Inst = AddInst(new(Start)) // ERROR "pointer to interface"
+	print("return from  addinst\n")
+	var y *Inst = new(Start)  // ERROR "pointer to interface"
+}