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From: Stephen Rothwell <sfr@canb•auug.org.au>
To: Randy Dunlap <rdunlap@infradead•org>
Cc: Kees Cook <keescook@chromium•org>,
	Andrew Morton <akpm@linux-foundation•org>,
	Linux Next Mailing List <linux-next@vger•kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger•kernel.org>,
	Nathan Chancellor <nathan@kernel•org>
Subject: Re: linux-next: Tree for Aug 20 (Wno-alloc-size-larger-than)
Date: Tue, 24 Aug 2021 11:58:59 +1000	[thread overview]
Message-ID: <20210824115859.187f272f@canb.auug.org.au> (raw)
In-Reply-To: <66615de5-4acb-8d85-6d69-ddd0b9609348@infradead.org>

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Hi Randy,

On Mon, 23 Aug 2021 18:24:44 -0700 Randy Dunlap <rdunlap@infradead•org> wrote:
>
> This is just weird. What I am seeing is that for every source file
> where gcc emits a warning: it then follows that up with this
> >> cc1: warning: unrecognized command line option '-Wno-alloc-size-larger-than'  

I see the same, as well as:

<stdin>:1515:2: warning: #warning syscall clone3 not implemented [-Wcpp]
cc1: warning: unrecognized command line option '-Wno-alloc-size-larger-than'

But only on my gcc 7.3.1 builds (the rest are gcc 10).

> Smells like a gcc bug to me.

Yes

Also noted here: https://github.com/DynamoRIO/drmemory/issues/2099 (second comment)
-- 
Cheers,
Stephen Rothwell

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next prev parent reply	other threads:[~2021-08-24  1:59 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-20  9:26 linux-next: Tree for Aug 20 Stephen Rothwell
2021-08-20 21:54 ` linux-next: Tree for Aug 20 (Wno-alloc-size-larger-than) Randy Dunlap
2021-08-21  5:48   ` Kees Cook
2021-08-21 19:09     ` Randy Dunlap
2021-08-23 10:37       ` Stephen Rothwell
2021-08-24  1:24         ` Randy Dunlap
2021-08-24  1:58           ` Stephen Rothwell [this message]
2021-08-25  1:59             ` Kees Cook
2021-08-25 17:04             ` Kees Cook
2021-08-25 17:49               ` Randy Dunlap
2021-08-26  3:54                 ` Kees Cook
2021-08-26  5:10                   ` Randy Dunlap
2021-08-26  5:23                     ` Kees Cook

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