Re: [Linaro-TCWG-CI] gcc-17-359-g9a231dbb68ab: 3 regressions on arm

Typo in this email :

We track this bug report under https://linaro.atlassian.net/browse/GNU-1896
. Please let us know if you have a fix.


On Thu, 7 May 2026 at 18:52, <[email protected]> wrote:

> Dear contributor,
>
> Our automatic CI has detected problems related to your patch(es). Please
> find some details below.
>
> In  armv8l-unknown-linux-gnueabihf native, after:
>   | commit gcc-17-359-g9a231dbb68ab
>   | Author: David Malcolm <[email protected]>
>   | Date:   Wed May 6 09:57:07 2026 -0400
>   |
>   |     analyzer: add data flow events
>   |
>   |     Analyzer warnings relating to problematic values (e.g. by division
>   |     by zero) can be difficult for the user to understand.
>   |
>   | ... 421 lines of the commit log omitted.
>
> Produces 3 regressions:
>   |
>   | regressions.sum:
>   | Running gcc:gcc.dg/analyzer/analyzer.exp ...
>   | FAIL: gcc.dg/analyzer/divide-by-zero-6.c (test for warnings, line 17)
>   | FAIL: gcc.dg/analyzer/divide-by-zero-6.c at line 18 (test for
> warnings, line 17)
>   | FAIL: gcc.dg/analyzer/divide-by-zero-6.c (test for excess errors)
>
> Used configuration :
>  *CI config* tcwg_gcc_check armv8l-unknown-linux-gnueabihf
>  *configure and test flags:* none, autodetected on
> armv8l-unknown-linux-gnueabihf--disable-multilib --with-float=hard
> --with-mode=thumb --with-tune=cortex-a9 --with-arch=armv7-a
> --with-fpu=neon-fp-armv8
>
> We track this bug report under https://linaro.atlassian.net/browse/Please
> specify 'Project' and 'IssueType'.. Please let us know if you have a fix.
>
> If you have any questions regarding this report, please ask on
> [email protected] mailing list.
>
>
> -----------------8<--------------------------8<--------------------------8<--------------------------
>
> 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
>  *
> http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-build/builds/10172/archive/artifacts/00-sumfiles/
> The full lists of regressions and improvements as well as configure and
> make commands are in
>  *
> http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-build/builds/10172/archive/artifacts/notify/
> The list of [ignored] baseline and flaky failures are in
>  *
> http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-build/builds/10172/archive/artifacts/sumfiles/xfails.xfail
>
> Current build   :
> http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-build/builds/10172/archive/artifacts/
> Reference build :
> http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-build/builds/10171/archive/artifacts/
>
> Instruction to reproduce the build :
> https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/9a231dbb68ab3df13ea20a6066d45eaf7cc5a4ee/tcwg_gcc_check/master-arm/reproduction_instructions.txt
>
> Full commit : See in git+ssh://[email protected]/git/gcc.git