Initial commit: Go 1.23 release state

test/fixedbugs/issue23609.go

@@ -0,0 +1,27 @@
+// errorcheck
+
+// 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.
+
+package main
+
+type t1 struct {
+	t1f1 int
+	t1f2 int
+}
+type t2 struct {
+	t2f1 int
+	t2f2 int
+	t1
+}
+type t3 struct {
+	t3f1 int
+	t2
+}
+
+var (
+	_ = t2{t1f1: 600} // ERROR "cannot use promoted field t1.t1f1 in struct literal of type t2|unknown field"
+	_ = t3{t1f2: 800} // ERROR "cannot use promoted field t2.t1.t1f2 in struct literal of type t3|unknown field"
+	_ = t3{t2f1: 900} // ERROR "cannot use promoted field t2.t2f1 in struct literal of type t3|unknown field"
+)