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master
test/fixedbugs/bug273.go
79 строк
1 KB
Clément Chigot
runtime: handle 64bits addresses for AIX
26 ноя 2018, 17:06
26 ноя 2018, 17:06
041526c
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// run // Copyright 2010 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. // https://golang.org/issue/589 package main import "unsafe" var bug = false var minus1 = -1 var five = 5 var big int64 = 10 | 1<<46 type block [1 << 19]byte var g1 []block func shouldfail(f func(), desc string) { defer func() { recover() }() f() if !bug { println("BUG") bug = true } println("didn't crash: ", desc) } func badlen() { g1 = make([]block, minus1) } func biglen() { g1 = make([]block, big) } func badcap() { g1 = make([]block, 10, minus1) } func badcap1() { g1 = make([]block, 10, five) } func bigcap() { g1 = make([]block, 10, big) } type cblock [1<<16 - 1]byte var g4 chan cblock func badchancap() { g4 = make(chan cblock, minus1) } func bigchancap() { g4 = make(chan cblock, big) } func overflowchan() { const ptrSize = unsafe.Sizeof(uintptr(0)) g4 = make(chan cblock, 1<<(30*(ptrSize/4))) } func main() { shouldfail(badlen, "badlen") shouldfail(biglen, "biglen") shouldfail(badcap, "badcap") shouldfail(badcap1, "badcap1") shouldfail(bigcap, "bigcap") shouldfail(badchancap, "badchancap") shouldfail(bigchancap, "bigchancap") shouldfail(overflowchan, "overflowchan") }