Dear contributor,

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

In bootstrap_check master-arm-check_bootstrap_lto, after:
  | commit gcc-15-3608-gc5009eb8879
  | Author: Jason Merrill <jason@redhat.com>
  | Date:   Tue Aug 27 13:15:16 2024 -0400
  | 
  |     libcpp: adjust pedwarn handling
  |     
  |     Using cpp_pedwarning (CPP_W_PEDANTIC instead of if (CPP_PEDANTIC cpp_error
  |     lets users suppress these diagnostics with
  |      #pragma GCC diagnostic ignored "-Wpedantic".
  | ... 46 lines of the commit log omitted.

Produces 4 regressions:
  | 
  | regressions.sum:
  | Running g++:g++.dg/dg.exp ...
  | FAIL: c-c++-common/pragma-diag-17.c -std=gnu++14 (test for excess errors)
  | FAIL: c-c++-common/pragma-diag-17.c -std=gnu++17 (test for excess errors)
  | FAIL: c-c++-common/pragma-diag-17.c -std=gnu++98 (test for excess errors)
  | Running gcc:gcc.dg/dg.exp ...
  | ... and 1 more

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

We track this bug report under https://linaro.atlassian.net/browse/GNU-1342. 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.

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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
 * https://ci.linaro.org/job/tcwg_bootstrap_check--master-arm-check_bootstrap_lto-build/868/artifact/artifacts/
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-arm-check_bootstrap_lto-build/868/artifact/artifacts/notify/
The list of [ignored] baseline and flaky failures are in
 * https://ci.linaro.org/job/tcwg_bootstrap_check--master-arm-check_bootstrap_lto-build/868/artifact/artifacts/sumfiles/xfails.xfail

Current build   : https://ci.linaro.org/job/tcwg_bootstrap_check--master-arm-check_bootstrap_lto-build/868/artifact/artifacts/
Reference build : https://ci.linaro.org/job/tcwg_bootstrap_check--master-arm-check_bootstrap_lto-build/867/artifact/artifacts/

Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/c5009eb887910271ea35a857aa68941c7227b9c7/tcwg_bootstrap_check/master-arm-check_bootstrap_lto/reproduction_instructions.txt

Full commit : https://github.com/gcc-mirror/gcc/commit/c5009eb887910271ea35a857aa68941c7227b9c7