Dear contributor,

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

In  arm-eabi cortex-m23 soft, after:
  | 437 commits in gcc
  | f8bb20167f8 gcc: sync top-level with binutils-gdb
  | 0f4afd8bb16 [PR rtl-optimization/122536] Fix guard against variable bit extracts in RTL simplifier
  | 8f6c9ebc7d7 c++: ADL finds all friends (P1787)
  | 3ce87345084 c++/modules: import confict with builtin
  | 5926cc99ae1 libstdc++: add ADL friends
  | ... and 432 more commits in gcc

Produces 1 regression 1 fix:
  | 
  | regressions.sum:
  | Running gcc:gcc.dg/tree-ssa/tree-ssa.exp ...
  | FAIL: gcc.dg/tree-ssa/ctz-ch.c scan-tree-dump-times optimized "__builtin_ctz|\\.CTZ" 1
  | 
  | fixes.sum:
  | Running gcc:gcc.dg/cpp/cpp.exp ...
  | FAIL: gcc.dg/cpp/escape-3.i scan-assembler  "/some\\\\\\\\directory"

Used configuration :
 *CI config* tcwg_gnu_embed_check_gcc arm-eabi -mthumb -march=armv8-m.base -mtune=cortex-m23 -mfloat-abi=soft -mfpu=auto
 *configure and test flags:* --target arm-eabi --disable-multilib --with-mode=thumb --with-cpu=cortex-m23 --with-float=soft --target_board=-mthumb/-march=armv8-m.base/-mtune=cortex-m23/-mfloat-abi=soft/-mfpu=auto qemu_cpu=cortex-m33

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 *.log.1.xz files in
 * https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m23_soft_eabi-build/509/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-thumb_m23_soft_eabi-build/509/artifact/artifacts/notify/
The list of [ignored] baseline and flaky failures are in
 * https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m23_soft_eabi-build/509/artifact/artifacts/sumfiles/xfails.xfail

Current build   : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m23_soft_eabi-build/509/artifact/artifacts
Reference build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m23_soft_eabi-build/508/artifact/artifacts