Initial commit: Go 1.23 release state

test/fixedbugs/issue42587.go

@@ -0,0 +1,15 @@
+// compile
+
+// 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() {
+	var i, j int
+	_ = func() {
+		i = 32
+		j = j>>i | len([]int{})
+	}
+}