Dear contributor, our automatic CI has detected problems related to your patch(es).  Please find some details below.  If you have any questions, please follow up on linaro-toolchain@lists.linaro.org mailing list, Libera's #linaro-tcwg channel, or ping your favourite Linaro toolchain developer on the usual project channel.

We appreciate that it might be difficult to find the necessary logs or reproduce the issue locally. If you can't get what you need from our CI within minutes, let us know and we will be happy to help.

We track this report status in https://linaro.atlassian.net/browse/GNU-1078 , please let us know if you are looking at the problem and/or when you have a fix.

In bootstrap_build master-aarch64-bootstrap_O1 after:

  | commit gcc-14-6605-gc0911c6b357
  | Author: Alex Coplan <alex.coplan@arm.com>
  | Date:   Fri Jul 7 15:53:09 2023 +0100
  | 
  |     aarch64: Add new load/store pair fusion pass.
  |     
  |     This adds a new aarch64-specific RTL-SSA pass dedicated to forming load
  |     and store pairs (LDPs and STPs).
  |     
  |     As a motivating example for the kind of thing this improves, take the
  |     following testcase:
  | ... 115 lines of the commit log omitted.

Results changed to
# reset_artifacts:
-10
# true:
0
# build_abe bootstrap_O1:
1

From
# reset_artifacts:
-10
# true:
0
# build_abe bootstrap_O1:
1

The configuration of this build is:
CI config tcwg_bootstrap_build master-aarch64-bootstrap_O1

-----------------8<--------------------------8<--------------------------8<--------------------------
The information below can be used to reproduce a debug environment:

Current build   : https://ci.linaro.org/job/tcwg_bootstrap_build--master-aarch64-bootstrap_O1-build/299/artifact/artifacts
Reference build : https://ci.linaro.org/job/tcwg_bootstrap_build--master-aarch64-bootstrap_O1-build/298/artifact/artifacts

Reproduce last good and first bad builds: https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/gcc/sha1/c0911c6b357ba916ae24926b7d8b9ca35234f33c/tcwg_bootstrap_build/master-aarch64-bootstrap_O1/reproduction_instructions.txt

Full commit : https://github.com/gcc-mirror/gcc/commit/c0911c6b357ba916ae24926b7d8b9ca35234f33c

List of configurations that regressed due to this commit :
* tcwg_bmk-code_size-cpu2017fast
** gnu-aarch64-master-Os_LTO
*** grew in size by 5% - 644.nab_s
*** https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/gcc/sha1/c0911c6b357ba916ae24926b7d8b9ca35234f33c/tcwg_bmk-code_size-cpu2017fast/gnu-aarch64-master-Os_LTO/details.txt
*** https://ci.linaro.org/job/tcwg_bmk-code_size-cpu2017fast--gnu-aarch64-master-Os_LTO-build/131/artifact/artifacts
* tcwg_bmk-code_speed-cpu2017rate
** gnu-aarch64-master-O2
*** slowed down by 21% - 519.lbm_r
*** https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/gcc/sha1/c0911c6b357ba916ae24926b7d8b9ca35234f33c/tcwg_bmk-code_speed-cpu2017rate/gnu-aarch64-master-O2/details.txt
*** https://ci.linaro.org/job/tcwg_bmk-code_speed-cpu2017rate--gnu-aarch64-master-O2-build/139/artifact/artifacts
** gnu-aarch64-master-O3
*** slowed down by 20% - 519.lbm_r
*** https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/gcc/sha1/c0911c6b357ba916ae24926b7d8b9ca35234f33c/tcwg_bmk-code_speed-cpu2017rate/gnu-aarch64-master-O3/details.txt
*** https://ci.linaro.org/job/tcwg_bmk-code_speed-cpu2017rate--gnu-aarch64-master-O3-build/154/artifact/artifacts
* tcwg_bootstrap_build
** master-aarch64-bootstrap_O1
*** Success
*** https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/gcc/sha1/c0911c6b357ba916ae24926b7d8b9ca35234f33c/tcwg_bootstrap_build/master-aarch64-bootstrap_O1/details.txt
*** https://ci.linaro.org/job/tcwg_bootstrap_build--master-aarch64-bootstrap_O1-build/299/artifact/artifacts