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_apin...@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.

If you have any questions regarding this report, please ask on 
linaro-toolch...@lists.linaro.org 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
 * 
https://ci.linaro.org/job/tcwg_gnu_native_check_gcc--master-aarch64-build/2063/artifact/artifacts/00-sumfiles/
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/2063/artifact/artifacts/notify/
The list of [ignored] baseline and flaky failures are in
 * 
https://ci.linaro.org/job/tcwg_gnu_native_check_gcc--master-aarch64-build/2063/artifact/artifacts/sumfiles/xfails.xfail

Current build   : 
https://ci.linaro.org/job/tcwg_gnu_native_check_gcc--master-aarch64-build/2063/artifact/artifacts
Reference build : 
https://ci.linaro.org/job/tcwg_gnu_native_check_gcc--master-aarch64-build/2062/artifact/artifacts

Instruction to reproduce the build : 
https://gitlab.com/Linaro/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/c7de7ddbfae1656ad8309f8821d17ae43383e5d5/tcwg_gnu_native_check_gcc/master-aarch64/reproduction_instructions.txt

Full commit : See in git+ssh://linar...@gcc.gnu.org/git/gcc.git

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