From: Nathan Chancellor <nathan@kernel.org>
To: ci_notify@linaro.org
Cc: Shawn Zhong <github@shawnzhong.com>, llvm@lists.linux.dev
Subject: Re: [TCWG CI] Regression caused by llvm: Fix -Wbitfield-constant-conversion on 1-bit signed bitfield
Date: Tue, 16 Aug 2022 12:27:27 -0700 [thread overview]
Message-ID: <Yvvvn9RxoL9Dcb3r@dev-arch.thelio-3990X> (raw)
In-Reply-To: <587965879.6777.1660676874505@jenkins.jenkins>
On Tue, Aug 16, 2022 at 07:07:54PM +0000, ci_notify@linaro.org wrote:
> [TCWG CI] Regression caused by llvm: Fix -Wbitfield-constant-conversion on 1-bit signed bitfield:
> commit 82afc9b169a67e8b8a1862fb9c41a2cd974d6691
> Author: Shawn Zhong <github@shawnzhong.com>
>
> Fix -Wbitfield-constant-conversion on 1-bit signed bitfield
>
> Results regressed to
> # reset_artifacts:
> -10
> # build_abe binutils:
> -9
> # build_kernel_llvm:
> -5
> # build_abe qemu:
> -2
> # linux_n_obj:
> 21250
> # First few build errors in logs:
> # 00:07:12 sound/soc/atmel/mchp-spdiftx.c:505:20: error: implicit truncation from 'int' to bit-field changes value from 1 to -1 [-Werror,-Wbitfield-constant-conversion]
> # 00:07:12 make[3]: *** [scripts/Makefile.build:249: sound/soc/atmel/mchp-spdiftx.o] Error 1
> # 00:07:32 make[2]: *** [scripts/Makefile.build:465: sound/soc/atmel] Error 2
> # 00:12:27 make[1]: *** [scripts/Makefile.build:465: sound/soc] Error 2
> # 00:12:27 make: *** [Makefile:1855: sound] Error 2
The new warning is correct, fix is pending:
https://git.kernel.org/broonie/sound/c/eab9100d9898cbd37882b04415b12156f8942f18
https://github.com/ClangBuiltLinux/linux/issues/1686
Cheers,
Nathan
prev parent reply other threads:[~2022-08-16 19:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-16 19:07 [TCWG CI] Regression caused by llvm: Fix -Wbitfield-constant-conversion on 1-bit signed bitfield ci_notify
2022-08-16 19:27 ` Nathan Chancellor [this message]
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