Initial commit: Go 1.23 release state

test/fixedbugs/bug317.go

@@ -0,0 +1,16 @@
+// run
+
+// Copyright 2011 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 main
+
+func main() {
+	x := []uint{0}
+	x[0] &^= f()
+}
+
+func f() uint {
+	return 1<<31 // doesn't panic with 1<<31 - 1
+}