[release-branch.go1.15] cmd/internal/obj: stop removing NOPs from instruction stream
This has already been done for s390x, ppc64. This CL is for
all the other architectures.
Fixes #40798
Change-Id: Idd1816e057df63022d47e99fa06617811d8c8489
Reviewed-on: https://go-review.googlesource.com/c/go/+/248684
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
(cherry picked from commit
46ca7b5ee2a8582736f1ddac27d8660e1104c345)
Reviewed-on: https://go-review.googlesource.com/c/go/+/249444
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>