Initial commit: Go 1.23 release state

test/fixedbugs/bug223.go

@@ -0,0 +1,21 @@
+// errorcheck
+
+// Copyright 2009 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.
+
+// check that initialization cycle is diagnosed
+// and that closure cannot be used to hide it.
+// error message is not standard format, so no errchk above.
+
+package main
+
+type F func()
+
+func f() {
+	if true {
+		_ = func() { _ = m }
+	}
+}
+
+var m = map[string]F{"f": f} // ERROR "initialization cycle|depends upon itself|initialization cycle"