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b2fd76ab8d
Most of the test cases in the test directory use the new go:build syntax already. Convert the rest. In general, try to place the build constraint line below the test directive comment in more places. For #41184. For #60268. Change-Id: I11c41a0642a8a26dc2eda1406da908645bbc005b Cq-Include-Trybots: luci.golang.try:gotip-linux-386-longtest,gotip-linux-amd64-longtest,gotip-windows-amd64-longtest Reviewed-on: https://go-review.googlesource.com/c/go/+/536236 Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
35 lines
604 B
Go
35 lines
604 B
Go
// run
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//go:build amd64p32
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// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"bytes"
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"fmt"
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"unsafe"
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)
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func main() {
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b := make([]byte, 128)
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for i := range b {
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b[i] = 1
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}
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if bytes.IndexByte(b, 0) != -1 {
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panic("found 0")
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}
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for i := range b {
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b[i] = 0
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c := b
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*(*int)(unsafe.Pointer(uintptr(unsafe.Pointer(&c)) + unsafe.Sizeof(uintptr(0)))) = 1<<31 - 1
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if bytes.IndexByte(c, 0) != i {
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panic(fmt.Sprintf("missing 0 at %d\n", i))
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}
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b[i] = 1
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}
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}
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