// 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. // Issue 2206. Incorrect sign extension of div arguments. package main func five(x int64) { if x != 5 { panic(x) } } func main() { // 5 five(int64(5 / (5 / 3))) // 5 five(int64(byte(5) / (byte(5) / byte(3)))) // 5 var a, b byte = 5, 3 five(int64(a / (a / b))) // integer divide by zero in golang.org sandbox // 0 on windows/amd64 x := [3]byte{2, 3, 5} five(int64(x[2] / (x[2] / x[1]))) // integer divide by zero in golang.org sandbox // crash on windows/amd64 y := x[1:3] five(int64(y[1] / (y[1] / y[0]))) }