// compile
// Copyright 2018 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 B bool
B2 := (B || B && !B) && !B
B3 := B2 || B
for (B3 || B2) && !B2 && B {
}
}