| // 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]))) |
| } |