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Russ Cox authored
It matters whether we are calling a function that would return a 32-bit or 64-bit -1 on error. A few sites were wrong and this key detail was omitted from syscall/syscallX docs. Change-Id: I48a421b6cc4d2d2b5e58f790cc947e3cb2f98940 Reviewed-on: https://go-review.googlesource.com/c/go/+/180841 Run-TryBot: Russ Cox <rsc@golang.org> Reviewed-by: Keith Randall <khr@golang.org>
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