// 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 spin() {
var i int
var b bool
switch 1 {
case 0:
i = 1
}
switch 1 {
case i:
default:
i = 1
b = !b && (b && !b) && b
}
switch false {
case false:
i = 3 + -i
switch 0 {
case 1 - i:
}
}
}