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cmd/compile: remove superfluous SetBounded call

The call does nothing when applied to an OLSH node.
It would be unnecessary anyway, since we're shifting by a small constant.

Passes toolstash-check.

Change-Id: If858711f1704f44637fa0f6a4c66cbaad6db24b8
Reviewed-on: https://go-review.googlesource.com/c/go/+/228699
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
This commit is contained in:
Josh Bleecher Snyder 2020-04-16 22:05:35 -07:00
parent b1cae8cd1d
commit 80e5c3b8b5

View File

@ -840,7 +840,6 @@ opswitch:
n.Left = cheapexpr(n.Left, init)
// byteindex widens n.Left so that the multiplication doesn't overflow.
index := nod(OLSH, byteindex(n.Left), nodintconst(3))
index.SetBounded(true)
if thearch.LinkArch.ByteOrder == binary.BigEndian {
index = nod(OADD, index, nodintconst(7))
}