Initial commit: Go 1.23 release state

test/fixedbugs/bug463.go

@@ -0,0 +1,22 @@
+// errorcheck
+
+// Copyright 2012 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.
+
+// Issue 3757: unhelpful typechecking loop message
+// for constants that refer to themselves.
+
+package main
+
+const a = a // ERROR "refers to itself|definition loop|initialization cycle"
+
+const (
+	X    = A
+	A    = B // ERROR "refers to itself|definition loop|initialization cycle"
+	B    = D
+	C, D = 1, A
+)
+
+func main() {
+}