go bug366 源码
golang bug366 代码
文件路径：/test/fixedbugs/bug366.go
// 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])))
}
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