Initial commit: Go 1.23 release state

test/fixedbugs/issue18392.go

@@ -0,0 +1,14 @@
+// errorcheck
+
+// Copyright 2017 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 A interface {
+	// TODO(mdempsky): This should be an error, but this error is
+	// nonsense. The error should actually mention that there's a
+	// type loop.
+	Fn(A.Fn) // ERROR "type A has no method Fn|A.Fn undefined|A.Fn is not a type"
+}