[Linaro-TCWG-CI] gcc-16-6038-g62c126db6b6: 2 regressions on arm

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  arm-eabi v7-a softfp, after:
  | commit gcc-16-6038-g62c126db6b6
  | Author: Jakub Jelinek <[email protected]>
  | Date:   Thu Dec 11 19:37:22 2025 +0100
  | 
  |     libstdc++: Implement C++26 P3378R2 - constexpr exception types
  |     
  |     The following patch attempts to implement the C++26 P3378R2 - constexpr
  |     exception types paper.
  |     
  | ... 235 lines of the commit log omitted.

Produces 2 regressions:
  | 
  | regressions.sum:
  | Running libstdc++:libstdc++-dg/conformance.exp ...
  | FAIL: 19_diagnostics/stacktrace/current.cc -std=gnu++23 (test for excess errors)
  | UNRESOLVED: 19_diagnostics/stacktrace/current.cc -std=gnu++23 compilation failed to produce executable

Used configuration :
 *CI config* tcwg_gnu_embed_check_gcc arm-eabi -marm -march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=softfp
 *configure and test flags:* --target arm-eabi --disable-multilib --with-mode=arm --with-arch=armv7-a --with-fpu=vfpv3-d16 --with-float=softfp --target_board=-marm/-march=armv7-a/-mfpu=vfpv3-d16/-mfloat-abi=softfp qemu_cpu=cortex-a9

We track this bug report under https://linaro.atlassian.net/browse/GNU-1808. 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_gnu_embed_check_gcc--master-arm_v7a_softfp_eabi-build/1077/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_embed_check_gcc--master-arm_v7a_softfp_eabi-build/1077/artifact/artifacts/notify/
The list of [ignored] baseline and flaky failures are in
 * https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-arm_v7a_softfp_eabi-build/1077/artifact/artifacts/sumfiles/xfails.xfail

Current build   : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-arm_v7a_softfp_eabi-build/1077/artifact/artifacts
Reference build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-arm_v7a_softfp_eabi-build/1076/artifact/artifacts

Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/62c126db6b6017011dcbe6945aab371ab48f8ded/tcwg_gnu_embed_check_gcc/master-arm_v7a_softfp_eabi/reproduction_instructions.txt

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