Initial commit: Go 1.23 release state

test/fixedbugs/issue4847.go

@@ -0,0 +1,24 @@
+// errorcheck
+
+// Copyright 2013 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 4847: initialization cycle is not detected.
+
+package p
+
+type (
+	E int
+	S int
+)
+
+type matcher func(s *S) E
+
+func matchList(s *S) E { return matcher(matchAnyFn)(s) }
+
+var foo = matcher(matchList)
+
+var matchAny = matcher(matchList) // ERROR "initialization cycle|depends upon itself"
+
+func matchAnyFn(s *S) (err E) { return matchAny(s) }