On Tue, 16 Sept 2025 at 04:58, Andrew Pinski via linaro-toolchain linaro-toolchain@lists.linaro.org wrote:
On Sun, Aug 10, 2025 at 3:22 PM ci_notify@linaro.org wrote:
Dear contributor,
Our automatic CI has detected problems related to your patch(es). Please find some details below.
In master-aarch64, after: | commit gcc-16-3093-gc7de7ddbfae | Author: Andrew Pinski quic_apinski@quicinc.com | Date: Sun Jun 8 10:51:02 2025 -0700 | | forwprop: Change optimize_agr_copyprop into forward walk instead of backwards | | While thinking about how to implement the rest of the copy prop and makes sure not | to introduce some compile time problems, optimize_agr_copyprop should be changed | into a forwproping rather than looking backwards. | ... 10 lines of the commit log omitted.
Produces 1 regression: | | regressions.sum: | Running acats:chapter c4 ... | FAIL: c41303a
Used configuration : *CI config* tcwg_gnu_native_check_gcc master-aarch64 *configure and test flags:* none, autodetected on aarch64-unknown-linux-gnu
We track this bug report under https://linaro.atlassian.net/browse/GNU-1648. Please let us know if you have a fix.
I filed https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121494 and will be looking into later tonight or tomorrow. It also happens on s390x which gives me a hint of where to start to try to reproduce it on x86_64.
Hi Andrew, thanks for the heads-up. However, I'm not sure to follow: you fixed this PR on 2025-08-12 (about 1 month ago).
Thanks,
Christophe
Thanks, Andrew
If you have any questions regarding this report, please ask on linaro-toolchain@lists.linaro.org mailing list.
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The information below contains the details of the failures, and the ways to reproduce a debug environment:
You can find the failure logs in *.log.1.xz files in
https://ci.linaro.org/job/tcwg_gnu_native_check_gcc--master-aarch64-build/20... The full lists of regressions and improvements as well as configure and make commands are in
https://ci.linaro.org/job/tcwg_gnu_native_check_gcc--master-aarch64-build/20... The list of [ignored] baseline and flaky failures are in
https://ci.linaro.org/job/tcwg_gnu_native_check_gcc--master-aarch64-build/20...
Current build : https://ci.linaro.org/job/tcwg_gnu_native_check_gcc--master-aarch64-build/20... Reference build : https://ci.linaro.org/job/tcwg_gnu_native_check_gcc--master-aarch64-build/20...
Instruction to reproduce the build : https://gitlab.com/Linaro/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/...
Full commit : See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git
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