// compile // Copyright 2019 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 int var b *bool var s0, s1, s2 string if *b { s2 = s2[:1] i = 1 } s1 = s1[i:-i+i] + s1[-i+i:i+2] s1 = s0[i:-i] }