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Keith Randall authored
When we do *p = f(), we might need to copy the return value from f to p with a write barrier. The write barrier itself is a call, so we need to copy the return value of f to a temporary location before we call the write barrier function. Otherwise, the call itself (specifically, marshalling the args to typedmemmove) will clobber the value we're trying to write. Fixes #15854 Change-Id: I5703da87634d91a9884e3ec098d7b3af713462e7 Reviewed-on: https://go-review.googlesource.com/23522Reviewed-by:
David Chase <drchase@google.com> Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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