Initial commit: Go 1.23 release state

test/fixedbugs/issue41440.go

@@ -0,0 +1,14 @@
+// errorcheck
+
+// Copyright 2020 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
+
+func f(...int) {}
+
+func g() {
+	var x []int
+	f(x, x...) // ERROR "have \(\[\]int, \.\.\.int\)|too many arguments"
+}