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// +build amd64p32
// run
// Copyright 2018 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.
package main
import (
"bytes"
"fmt"
"unsafe"
)
func main() {
b := make([]byte, 128)
for i := range b {
b[i] = 1
}
if bytes.IndexByte(b, 0) != -1 {
panic("found 0")
}
for i := range b {
b[i] = 0
c := b
*(*int)(unsafe.Pointer(uintptr(unsafe.Pointer(&c)) + unsafe.Sizeof(uintptr(0)))) = 1<<31 - 1
if bytes.IndexByte(c, 0) != i {
panic(fmt.Sprintf("missing 0 at %d\n", i))
}
b[i] = 1
}
}