Initial commit: Go 1.23 release state

test/fixedbugs/issue9634.go

@@ -0,0 +1,18 @@
+// errorcheck
+
+// Copyright 2015 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 9634: Structs are incorrectly unpacked when passed as an argument
+// to append.
+
+package main
+
+func main() {
+	s := struct{
+		t []int
+		u int
+	}{}
+	_ = append(s, 0) // ERROR "must be a slice|must be slice|not a slice"
+}