go source for verification 2026-05-22

test/fixedbugs/bug253.go

@@ -0,0 +1,29 @@
+// run
+
+// Copyright 2010 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.
+
+package main
+
+type S1 struct {
+	i int
+}
+type S2 struct {
+	i int
+}
+type S3 struct {
+	S1
+	S2
+}
+type S4 struct {
+	S3
+	S1
+}
+
+func main() {
+	var s4 S4
+	if s4.i != 0 { // .i refers to s4.S1.i, unambiguously
+		panic("fail")
+	}
+}