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Mon, 29 Apr 2024 13:17:43 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.11.0-alpha0-386-g4cb8e397f9-fm-20240415.001-g4cb8e397 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <91dacd68-fdbe-4cb4-92c0-e5d6bc777658@app.fastmail.com> In-Reply-To: <8de32257786d3f062c479a8b10dcf17b775d563b.camel@nvidia.com> References: <8de32257786d3f062c479a8b10dcf17b775d563b.camel@nvidia.com> Date: Mon, 29 Apr 2024 19:17:22 +0200 From: "Arnd Bergmann" To: "Timur Tabi" , "Naresh Kamboju" , "linux-arm-kernel@lists.infradead.org" , "nouveau@lists.freedesktop.org" , "lkft-triage@lists.linaro.org" , "regressions@lists.linux.dev" , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" Cc: "Anders Roxell" , "Dan Carpenter" , "Danilo Krummrich" Subject: Re: nouveau: r535.c:1266:3: error: label at end of compound statement default: with gcc-8 Content-Type: text/plain On Mon, Apr 29, 2024, at 19:08, Timur Tabi wrote: > On Mon, 2024-04-29 at 17:30 +0200, Linux regression tracking (Thorsten > Leemhuis) wrote: >> TWIMC, there is another report about this in this thread (sadly some of >> its post did not make it to lore): >> >> https://lore.kernel.org/all/162ef3c0-1d7b-4220-a21f-b0008657f8a5@redhat.com/ >> >> Ciao, Thorsten > > This doesn't fail on x86-64 when I build it. I also did a cross-compile to > arm64 with the arm64 defconfig, and it doesn't fail there either. > > I'm guessing this is a compiler version thing. I'm using gcc 11.4. Is that > just too old? It's too new: this is valid syntax in c23 and accepted by newer compilers as an extension to gnu11, but older versions don't like it. gcc-11 and clang-16 are fine, while gcc-10 and clang-15 as well as earlier versions produce this warning. Arnd