Dear contributor,

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

In simplebootstrap_build master-arm-bootstrap, after:
  | gcc patch https://patchwork.sourceware.org/patch/135552
  | Author: Richard Sandiford <rdsandiford@googlemail.com>
  | Date:   Mon May 25 08:00:38 2026 +0100
  | 
  |     [PATCH] bitmap: Avoid amortised O(E) behaviour for tree first/last bit
  |     
  |     The comments in bitmap.h say that bitmap_first_set_bit and
  |     bitmap_last_set_bit are amortised O(logE) and worst-case O(E).
  |     But the implementation just does a simple pointer chase,
  | ... 15 lines of the commit log omitted.
  | ... applied on top of baseline commit:
  | 64be1fa670a OpenMP: Fix omp_check_for_duplicate_variant [PR125377]

Produces Failure:
  | Results changed to
  | # reset_artifacts:
  | -10
  | # true:
  | 0
  | # build_abe bootstrap:
  | # FAILED
  | # First few build errors in logs:
  | # 00:02:34 /home/tcwg-build/workspace/tcwg_gnu_4/abe/snapshots/gcc.git~master/gcc/bitmap.cc:1332:38: error: binding reference of type ‘bitmap_element*&’ to ‘const bitmap_element*’ discards qualifiers
  | # 00:02:34 /home/tcwg-build/workspace/tcwg_gnu_4/abe/snapshots/gcc.git~master/gcc/bitmap.cc:1334:20: error: assignment of member ‘bitmap_head::first’ in read-only object
  | # 00:02:34 make[3]: *** [Makefile:1217: bitmap.o] Error 1
  | # 00:02:34 make[2]: *** [Makefile:5139: all-stage1-gcc] Error 2
  | # 00:02:34 make[1]: *** [Makefile:26373: stage1-bubble] Error 2
  | # 00:02:34 make: *** [Makefile:1140: all] Error 2
  | 
  | From
  | # reset_artifacts:
  | -10
  | # true:
  | 0
  | # build_abe bootstrap:
  | 1

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

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
 * http://54.172.246.49:9090/jobs/tcwg_simplebootstrap_build--master-arm-bootstrap-precommit/builds/10012/archive/artifacts/artifacts.precommit/
The full lists of regressions and improvements as well as configure and make commands are in
 * http://54.172.246.49:9090/jobs/tcwg_simplebootstrap_build--master-arm-bootstrap-precommit/builds/10012/archive/artifacts/artifacts.precommit/notify/

Current build   : http://54.172.246.49:9090/jobs/tcwg_simplebootstrap_build--master-arm-bootstrap-precommit/builds/10012/archive/artifacts/
Reference build : http://54.172.246.49:9090/jobs/tcwg_simplebootstrap_build--master-arm-bootstrap-build/builds/10053/archive/artifacts/

Warning: we do not enable maintainer-mode nor automatically update
generated files, which may lead to failures if the patch modifies the
master files.