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For #65355 Change-Id: I65dd090fb99de9b231af2112c5ccb0eb635db2be Reviewed-on: https://go-review.googlesource.com/c/go/+/560155 Reviewed-by: David Chase <drchase@google.com> Reviewed-by: Michael Pratt <mpratt@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Ibrahim Bazoka <ibrahimbazoka729@gmail.com> Auto-Submit: Emmanuel Odeke <emmanuel@orijtech.com>
34 lines
874 B
Go
34 lines
874 B
Go
// errorcheck -0 -m -l
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// Copyright 2019 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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// Test escape analysis for internal/runtime/atomic.
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package escape
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import (
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"internal/runtime/atomic"
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"unsafe"
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)
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// BAD: should always be "leaking param: addr to result ~r0 level=1$".
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func Loadp(addr unsafe.Pointer) unsafe.Pointer { // ERROR "leaking param: addr( to result ~r0 level=1)?$"
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return atomic.Loadp(addr)
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}
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var ptr unsafe.Pointer
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func Storep() {
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var x int // ERROR "moved to heap: x"
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atomic.StorepNoWB(unsafe.Pointer(&ptr), unsafe.Pointer(&x))
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}
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func Casp1() {
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// BAD: should always be "does not escape"
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x := new(int) // ERROR "escapes to heap|does not escape"
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var y int // ERROR "moved to heap: y"
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atomic.Casp1(&ptr, unsafe.Pointer(x), unsafe.Pointer(&y))
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}
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