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-1294 , 
please let us know if you are looking at the problem and/or when you have a fix.

In CI config tcwg_kernel/gnu-master-arm-next-defconfig after:

  | commit gcc-15-2110-g71b31690a7c5
  | Author: Richard Sandiford <richard.sandif...@arm.com>
  | Date:   Wed Jul 17 19:38:11 2024 +0100
  | 
  |     rtl-ssa: Fix split_clobber_group [PR115928]
  |     
  |     One of the goals of the rtl-ssa representation was to allow a
  |     group of consecutive clobbers to be skipped in constant time,
  |     with amortised sublinear insertion and deletion.  This involves
  |     putting consecutive clobbers in groups.  Splitting or joining
  |     groups would be linear if we had to update every clobber on
  | ... 21 lines of the commit log omitted.

Results changed to
# reset_artifacts:
-10
# build_abe binutils:
-9
# build_abe stage1:
-5
# build_abe qemu:
-2
# linux_n_obj:
0

From
# reset_artifacts:
-10
# build_abe binutils:
-9
# build_abe stage1:
-5
# build_abe qemu:
-2
# linux_n_obj:
7865
# linux build successful:
all
# linux boot successful:
boot

The configuration of this build is:
CI config tcwg_kernel/gnu-master-arm-next-defconfig

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

Current build   : 
https://ci.linaro.org/job/tcwg_kernel--gnu-master-arm-next-defconfig-build/133/artifact/artifacts
Reference build : 
https://ci.linaro.org/job/tcwg_kernel--gnu-master-arm-next-defconfig-build/132/artifact/artifacts

Reproduce last good and first bad builds: 
https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/gcc/sha1/71b31690a7c52413496e91bcc5ee4c68af2f366f/tcwg_kernel/gnu-master-arm-next-defconfig/reproduction_instructions.txt

Full commit : 
https://github.com/gcc-mirror/gcc/commit/71b31690a7c52413496e91bcc5ee4c68af2f366f

List of configurations that regressed due to this commit :
* tcwg_kernel
** gnu-master-arm-next-defconfig
*** Failure
*** 
https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/gcc/sha1/71b31690a7c52413496e91bcc5ee4c68af2f366f/tcwg_kernel/gnu-master-arm-next-defconfig/details.txt
*** 
https://ci.linaro.org/job/tcwg_kernel--gnu-master-arm-next-defconfig-build/133/artifact/artifacts
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