Initial commit: Go 1.23 release state

test/fixedbugs/issue52701.go

@@ -0,0 +1,16 @@
+// compile
+
+// Copyright 2022 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
+
+type T1 struct{}
+type T2 struct{}
+
+func f() {
+	switch (T1{}) {
+	case T1(T2{}):
+	}
+}