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Copying return values to heap-escaped result parameters requires write barriers. Fixes #13587. Change-Id: Ifa04ff7fa4adcc6393acdd82e527beb8f2a00a8b Reviewed-on: https://go-review.googlesource.com/17762 Reviewed-by: Keith Randall <khr@golang.org> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
20 lines
443 B
Go
20 lines
443 B
Go
// errorcheck -0 -l -d=wb
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// Copyright 2015 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 write barrier for implicit assignments to result parameters
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// that have escaped to the heap.
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package issue13587
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import "errors"
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func escape(p *error)
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func F() (err error) {
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escape(&err)
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return errors.New("error") // ERROR "write barrier"
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}
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