[Linaro-TCWG-CI] gcc-16-5625-g9ed821d107f7: 6 regressions on aarch64

ci_notify--- via Gcc-regression <[email protected]>
Newsgroups gmane.comp.gcc.regression
Message-ID <[email protected]>
Dear contributor,

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

In gcc_check master-aarch64, after:
  | commit gcc-16-5625-g9ed821d107f7
  | Author: Tomasz Kamiński <[email protected]>
  | Date:   Thu Nov 13 14:54:11 2025 +0100
  | 
  |     libstdc++: Optimize functor storage for transform views iterators.
  |     
  |     The iterators for transform views (views::transform, views::zip_transform,
  |     and views::adjacent_transform) now store a function handle from (from
  |     __detail::__func_handle namespace) instead of a pointer to the view object
  | ... 59 lines of the commit log omitted.

Produces 6 regressions:
  | 
  | regressions.sum:
  | Running g++:g++.dg/modules/modules.exp ...
  | FAIL: g++.dg/modules/xtreme-header-2_b.C -std=c++26 (test for excess errors)
  | FAIL: g++.dg/modules/xtreme-header-3_b.C -std=c++26 (test for excess errors)
  | FAIL: g++.dg/modules/xtreme-header-7_b.C -std=c++26 (test for excess errors)
  | FAIL: g++.dg/modules/xtreme-header-8.C -std=c++26 (test for excess errors)
  | ... and 2 more

Used configuration :
 *CI config* tcwg_gcc_check 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-1763. Please let us know if you have a fix.

If you have any questions regarding this report, please ask on [email protected] 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-aarch64-build/4417/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_gcc_check--master-aarch64-build/4417/artifact/artifacts/notify/
The list of [ignored] baseline and flaky failures are in
 * https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/4417/artifact/artifacts/sumfiles/xfails.xfail

Current build   : https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/4417/artifact/artifacts
Reference build : https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/4416/artifact/artifacts

Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/9ed821d107f7a183f75b4b5d25b32d7f34ca60b5/tcwg_gcc_check/master-aarch64/reproduction_instructions.txt

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