Dear contributor,

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

In gcc_check master-arm, after:
  | gcc patch https://patchwork.sourceware.org/patch/132124
  | Author: Jakub Jelinek <jakub@redhat.com>
  | Date:   Fri Mar 20 21:53:55 2026 +0100
  | 
  |     [PATCH] c++, v2: Partially implement mangling for C++26 pack indexing [PR124487]
  |     
  |     On Fri, Mar 20, 2026 at 04:06:33PM -0400, Marek Polacek wrote:
  |     > I think you can use PACK_INDEX_PACK here too.
  |     > And here too.
  | ... 16 lines of the commit log omitted.
  | ... applied on top of baseline commit:
  | 8be0893fd98 libstdc++: Implement [simd] for C++26

Produces 3 regressions:
  | 
  | regressions.sum:
  | Running g++:g++.dg/dg.exp ...
  | FAIL: g++.dg/cpp26/pack-indexing22.C -std=gnu++20  scan-assembler _Z5corgeITpTnDaJLi1ELx2ELj3ELl4ELi5EEEDtsyT_L[jmy]1EEv
  | FAIL: g++.dg/cpp26/pack-indexing22.C -std=gnu++23  scan-assembler _Z5corgeITpTnDaJLi1ELx2ELj3ELl4ELi5EEEDtsyT_L[jmy]1EEv
  | FAIL: g++.dg/cpp26/pack-indexing22.C -std=gnu++26  scan-assembler _Z5corgeITpTnDaJLi1ELx2ELj3ELl4ELi5EEEDtsyT_L[jmy]1EEv

Used configuration :
 *CI config* tcwg_gcc_check master-arm
 *configure and test flags:* none, autodetected on armv8l-unknown-linux-gnueabihf

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_gcc_check--master-arm-precommit/12719/artifact/artifacts/artifacts.precommit/00-sumfiles/
The full lists of regressions and improvements as well as configure and make commands are in
 * https://ci.linaro.org/job/tcwg_gcc_check--master-arm-precommit/12719/artifact/artifacts/artifacts.precommit/notify/
The list of [ignored] baseline and flaky failures are in
 * https://ci.linaro.org/job/tcwg_gcc_check--master-arm-precommit/12719/artifact/artifacts/artifacts.precommit/sumfiles/xfails.xfail

Current build   : https://ci.linaro.org/job/tcwg_gcc_check--master-arm-precommit/12719/artifact/artifacts
Reference build : https://ci.linaro.org/job/tcwg_gcc_check--master-arm-build/4916/artifact/artifacts

Warning: we do not enable maintainer-mode nor automatically update
generated files, which may lead to failures if the patch modifies the
master files.