mirror of
https://github.com/golang/go
synced 2024-11-23 10:10:02 -07:00
24 lines
453 B
Go
24 lines
453 B
Go
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// run -gcflags=-d=checkptr
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// Copyright 2020 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 "unsafe"
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func main() {
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var x [2]uint64
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a := unsafe.Pointer(&x[1])
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b := a
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b = unsafe.Pointer(uintptr(b) + 2)
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b = unsafe.Pointer(uintptr(b) - 1)
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b = unsafe.Pointer(uintptr(b) &^ 1)
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if a != b {
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panic("pointer arithmetic failed")
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}
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}
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