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Russ Cox authored
The value in question is really a bit pattern (a pointer with extra bits thrown in), so treat it as a uintptr instead, avoiding the generation of a write barrier when there might not be a p. Also add the obligatory //go:nowritebarrier. Change-Id: I4ea097945dd7093a140f4740bcadca3ce7191971 Reviewed-on: https://go-review.googlesource.com/7667Reviewed-by:
Rick Hudson <rlh@golang.org> Reviewed-by:
Austin Clements <austin@google.com>
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