Thanks for the report, I have opened
https://github.com/llvm/llvm-project/issues/111903 for this.

On Tue, Oct 08, 2024 at 07:40:22AM +0000, ci_not...@linaro.org wrote:
> 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 understand 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/LLVM-1390 
> , please let us know if you are looking at the problem and/or when you have a 
> fix.
> 
> In CI config tcwg_kernel/llvm-master-aarch64-lts-allmodconfig after:
> 
>   | commit llvmorg-20-init-8119-gd2408c417cfa
>   | Author: David Green <david.gr...@arm.com>
>   | Date:   Sun Oct 6 10:44:21 2024 +0100
>   | 
>   |     [InstCombine] Canonicalize more geps with constant gep bases and 
> constant offsets. (#110033)
>   |     
>   |     This is another small but hopefully not performance negative step to
>   |     canonicalizing towards i8 geps. We looks for geps with a constant 
> offset
>   |     base pointer of the form `gep (gep @glob, C1), x, C2` and expand the 
> gep
>   | ... 2 lines of the commit log omitted.
> 
> The configuration of this build is:
> CI config tcwg_kernel/llvm-master-aarch64-lts-allmodconfig
> Results changed to
> # reset_artifacts:
> -10
> # build_abe binutils:
> -9
> # build_kernel_llvm:
> -5
> # build_abe qemu:
> -2
> # linux_n_obj:
> 24511
> 
> From
> # reset_artifacts:
> -10
> # build_abe binutils:
> -9
> # build_kernel_llvm:
> -5
> # build_abe qemu:
> -2
> # linux_n_obj:
> 33835
> # linux build successful:
> all
> 
> -----------------8<--------------------------8<--------------------------8<--------------------------
> The information below can be used to reproduce a debug environment:
> 
> Current build   : 
> https://ci.linaro.org/job/tcwg_kernel--llvm-master-aarch64-lts-allmodconfig-build/214/artifact/artifacts
> Reference build : 
> https://ci.linaro.org/job/tcwg_kernel--llvm-master-aarch64-lts-allmodconfig-build/213/artifact/artifacts
> 
> Instruction to reproduce the build : 
> https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/llvm/sha1/d2408c417cfa71f1786c909788560374eb1aca96/tcwg_kernel/llvm-master-aarch64-lts-allmodconfig/reproduction_instructions.txt
> 
> Full commit : 
> https://github.com/llvm/llvm-project/commit/d2408c417cfa71f1786c909788560374eb1aca96

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