linux-kernel - Re: [PATCH] xfs: Use fallthrough pseudo-keyword

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Date:   Tue, 07 Jul 2020 18:48:29 -0700
From:   Joe Perches <joe@...ches.com>
To:     "Darrick J. Wong" <darrick.wong@...cle.com>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc:     linux-xfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] xfs: Use fallthrough pseudo-keyword

On Tue, 2020-07-07 at 13:50 -0700, Darrick J. Wong wrote:
> On Tue, Jul 07, 2020 at 03:05:04PM -0500, Gustavo A. R. Silva wrote:
> > Replace the existing /* fall through */ comments and its variants with
> > the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
> > fall-through markings when it is the case.
[]
> I don't get it, what's the point?  Are gcc/clang
> refusing to support -Wimplicit-fallthrough=[1-4] past a certain date?

clang doesn't support comments