[Linaro-TCWG-CI] gcc-16-3045-gce7a22bd26c3: 1 regression 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 bootstrap_check master-aarch64-check_bootstrap, after:
  | commit gcc-16-3045-gce7a22bd26c3
  | Author: Jason Merrill <[email protected]>
  | Date:   Tue Jul 22 00:12:12 2025 -0400
  | 
  |     c++: improve constexpr type mismatch diagnostic
  |     
  |     This diagnostic failed to specify the actual type of the object being
  |     accessed through a glvalue of an incompatible type, and could also use to
  |     indicate where that object comes from.
  | ... 8 lines of the commit log omitted.

Produces 1 regression:
  | 
  | regressions.sum:
  | Running g++:g++.dg/dg.exp ...
  | ERROR: g++.dg/cpp26/constexpr-new3.C -std=c++26: unknown dg option: 2 for " dg-error 40 "accessing value of 'int [2]' object through a 'long int' glvalue in a constant expression" "

Used configuration :
 *CI config* tcwg_bootstrap_check master-aarch64-check_bootstrap
 *configure and test flags:* none, autodetected on aarch64-unknown-linux-gnu

We track this bug report under https://linaro.atlassian.net/browse/GNU-1645. 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_bootstrap_check--master-aarch64-check_bootstrap-build/1291/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_bootstrap_check--master-aarch64-check_bootstrap-build/1291/artifact/artifacts/notify/
The list of [ignored] baseline and flaky failures are in
 * https://ci.linaro.org/job/tcwg_bootstrap_check--master-aarch64-check_bootstrap-build/1291/artifact/artifacts/sumfiles/xfails.xfail

Current build   : https://ci.linaro.org/job/tcwg_bootstrap_check--master-aarch64-check_bootstrap-build/1291/artifact/artifacts
Reference build : https://ci.linaro.org/job/tcwg_bootstrap_check--master-aarch64-check_bootstrap-build/1290/artifact/artifacts

Instruction to reproduce the build : https://gitlab.com/Linaro/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/ce7a22bd26c39137658e973797a419d27d767c2c/tcwg_bootstrap_check/master-aarch64-check_bootstrap/reproduction_instructions.txt

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