hash/crc32: add noescape tags to assembly functions
CRC-32 computation is stateless and the p slice does not get stored anywhere. Thus, we mark the assembly functions as noescape so that it doesn't believe that p leaks in: func Update(crc uint32, tab *Table, p []byte) uint32 Before: ./crc32.go:153: leaking param: p After: ./crc32.go:153: Update p does not escape Change-Id: I52ba35b6cc544fff724327140e0c27898431d1dc Reviewed-on: https://go-review.googlesource.com/17069Reviewed-by:Russ Cox <rsc@golang.org>
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