Dear contributor,

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

In  master-arm_eabi, after:
  | commit gcc-17-1595-g0c5c6249a2e
  | Author: Jakub Jelinek <jakub@redhat.com>
  | Date:   Tue Jun 16 22:24:57 2026 +0200
  | 
  |     c++, libcpp: Add -std=c++2[9d] and -std=gnu++2[9d] options
  |     
  |     The following patch adds a new -std= option arguments for C++29 and
  |     changes __cplusplus value for C++26 from 202400L to 202603L.
  |     
  | ... 36 lines of the commit log omitted.

Produces 4316 regressions 12 fixes:
  | 
  | regressions.sum:
  | Running g++:g++.dg/dg.exp ...
  | FAIL: g++.dg/reflect/has_external_linkage2.C -std=c++29 (internal compiler error: in get_cxx_dialect_name, at /WORKSPACE/abe/snapshots/gcc.git~master/gcc/cp/name-lookup.cc:7543)
  | FAIL: g++.dg/reflect/has_external_linkage2.C -std=c++29 (test for excess errors)
  | FAIL: g++.dg/reflect/has_internal_linkage2.C -std=c++29 (internal compiler error: in get_cxx_dialect_name, at /WORKSPACE/abe/snapshots/gcc.git~master/gcc/cp/name-lookup.cc:7543)
  | FAIL: g++.dg/reflect/has_internal_linkage2.C -std=c++29 (test for excess errors)
  | ... and 4314 more
  | 
  | fixes.sum:
  | Running g++:g++.dg/gcov/gcov.exp ...
  | UNRESOLVED: g++.dg/gcov/gcov-dump-1.C -std=gnu++26 compilation failed to produce executable
  | FAIL: g++.dg/gcov/gcov-dump-1.C -std=gnu++26  line 13: is #####:should be 100
  | FAIL: g++.dg/gcov/gcov-dump-1.C -std=gnu++26 (test for excess errors)
  | FAIL: g++.dg/gcov/gcov-dump-1.C -std=gnu++26  gcov: 2 failures in line counts, 0 in branch percentages, 0 in condition/decision, 0 in prime-paths, 0 in return percentages, 0 in intermediate format, 0 failed in filters
  | ... and 8 more

Used configuration :
 *CI config* tcwg_gnu_embed_check_gcc master-arm_eabi
 *configure and test flags:* --target arm-eabi 

We track this bug report under https://linaro.atlassian.net/browse/GNU-1933. (Require Linaro login) Please let us know if you have a fix.

If you have any questions regarding this report, please ask on linaro-toolchain@lists.linaro.org 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
 * http://54.172.246.49:9090/jobs/tcwg_gnu_embed_check_gcc--master-arm_eabi-build/builds/10110/archive/artifacts/00-sumfiles/
The full lists of regressions and improvements as well as configure and make commands are in
 * http://54.172.246.49:9090/jobs/tcwg_gnu_embed_check_gcc--master-arm_eabi-build/builds/10110/archive/artifacts/notify/
The list of [ignored] baseline and flaky failures are in
 * http://54.172.246.49:9090/jobs/tcwg_gnu_embed_check_gcc--master-arm_eabi-build/builds/10110/archive/artifacts/sumfiles/xfails.xfail

Current build   : http://54.172.246.49:9090/jobs/tcwg_gnu_embed_check_gcc--master-arm_eabi-build/builds/10110/archive/artifacts/
Reference build : http://54.172.246.49:9090/jobs/tcwg_gnu_embed_check_gcc--master-arm_eabi-build/builds/10109/archive/artifacts/

Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/0c5c6249a2e9a75d2e7d1c6c434487c8dc077130/tcwg_gnu_embed_check_gcc/master-arm_eabi/reproduction_instructions.txt

Full commit : See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git