Dear contributor,

Our automatic CI has detected problems related to your patch(es). Please find 
some details below.

In  master-aarch64, after:
  | commit gcc-16-2319-gb5ffc8e75a8
  | Author: Richard Sandiford <richard.sandif...@arm.com>
  | Date:   Tue Jun 17 15:20:25 2025 +0100
  | 
  |     aarch64: Adapt unwinder to linux's SME signal behaviour
  |     
  |     SME uses a lazy save system to manage ZA.  The idea is that,
  |     if a function with ZA state wants to call a "normal" function,
  |     it can leave its state in ZA and instead set up a lazy save buffer.
  | ... 74 lines of the commit log omitted.

Produces 2 regressions:
  | 
  | regressions.sum:
  | Running g++:g++.target/aarch64/sme/aarch64-sme.exp ...
  | FAIL: g++.target/aarch64/sme/sme_throw_1.C execution test
  | FAIL: g++.target/aarch64/sme/sme_throw_2.C execution test

Used configuration :
 *CI config* tcwg_gnu_cross_check_gcc master-aarch64
 *configure and test flags:* --target aarch64-linux-gnu 

We track this bug report under https://linaro.atlassian.net/browse/GNU-1642. 
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_cross_check_gcc--master-aarch64-build/2223/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_cross_check_gcc--master-aarch64-build/2223/artifact/artifacts/notify/
The list of [ignored] baseline and flaky failures are in
 * 
https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc--master-aarch64-build/2223/artifact/artifacts/sumfiles/xfails.xfail

Current build   : 
https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc--master-aarch64-build/2223/artifact/artifacts
Reference build : 
https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc--master-aarch64-build/2222/artifact/artifacts

Instruction to reproduce the build : 
https://gitlab.com/Linaro/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/b5ffc8e75a81bab7ee7554483447c27be438464e/tcwg_gnu_cross_check_gcc/master-aarch64/reproduction_instructions.txt

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

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