Initial commit: Go 1.23 release state

test/fixedbugs/issue16369.go

@@ -0,0 +1,13 @@
+// errorcheck
+
+// Copyright 2016 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 p
+
+type T interface { // ERROR "invalid recursive type: anonymous interface refers to itself"
+	M(interface {
+		T
+	})
+}