Dear contributor,

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

In  master-aarch64, after:
  | commit gcc-16-4212-gf256a13f8aed
  | Author: Jakub Jelinek <[email protected]>
  | Date:   Sat Oct 4 09:50:39 2025 +0200
  | 
  |     c++, gimplify: Implement C++26 P2795R5 - Erroneous behavior for 
uninitialized reads [PR114457]
  |     
  |     The following patch implements the C++26 P2795R5 paper by enabling 
something
  |     like -ftrivial-auto-var-init=zero by default for 
-std=c++26/-std=gnu++26.
  |     There is an important difference between explicit 
-ftrivial-auto-var-init=zero
  | ... 225 lines of the commit log omitted.

Produces 2 regressions:
  | 
  | regressions.sum:
  | Running g++:g++.dg/goacc/goacc.exp ...
  | XPASS: c-c++-common/goacc/kernels-decompose-pr100280-1.c -std=c++26 TODO at 
line 18 (test for warnings, line 19)
  | XPASS: c-c++-common/goacc/kernels-decompose-pr100280-1.c -std=c++26 TODO 
location at line 17 (test for bogus messages, line 10)

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-1684. 
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
 * 
https://ci.linaro.org/job/tcwg_gnu_native_check_gcc--master-aarch64-build/2185/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/2185/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/2185/artifact/artifacts/sumfiles/xfails.xfail

Current build   : 
https://ci.linaro.org/job/tcwg_gnu_native_check_gcc--master-aarch64-build/2185/artifact/artifacts
Reference build : 
https://ci.linaro.org/job/tcwg_gnu_native_check_gcc--master-aarch64-build/2184/artifact/artifacts

Instruction to reproduce the build : 
https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/f256a13f8aed833fe964a2ba541b7b30ad9b4a76/tcwg_gnu_native_check_gcc/master-aarch64/reproduction_instructions.txt

Full commit : See in git+ssh://[email protected]/git/gcc.git

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