Dear contributor,

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

In tcwg_kernel/gnu-master-aarch64-lts-defconfig, after:
  | commit gcc-15-8025-g7dae3f64c069
  | Author: Richard Sandiford <richard.sandif...@arm.com>
  | Date:   Thu Mar 13 12:03:04 2025 +0000
  | 
  |     match.pd: Fold ((X >> C1) & C2) * (1 << C1)
  |     
  |     Using a combination of rules, we were able to fold
  |     
  |       ((X >> C1) & C2) * (1 << C1)  -->  X & (C2 << C1)
  | ... 22 lines of the commit log omitted.

Produces Failure:
  | Results changed to
  | # reset_artifacts:
  | -10
  | # build_abe binutils:
  | -9
  | # build_abe stage1:
  | -5
  | # build_abe qemu:
  | -2
  | # linux_n_obj:
  | 8743
  | 
  | From
  | # reset_artifacts:
  | -10
  | # build_abe binutils:
  | -9
  | # build_abe stage1:
  | -5
  | # build_abe qemu:
  | -2
  | # linux_n_obj:
  | 10059
  | # linux build successful:
  | all
  | # linux boot successful:
  | boot

Used configuration :
 tcwg_kernel/gnu-master-aarch64-lts-defconfig

We track this bug report under https://linaro.atlassian.net/browse/GNU-1539. 
Please let us know if you have a fix.

If you have any questions regarding this report, please ask on 
linaro-toolchain@lists.linaro.org mailing list.

-----------------8<--------------------------8<--------------------------8<--------------------------

The information below contains the details of the failures, and the ways to 
reproduce a debug environment:



Current build   : 
https://ci.linaro.org/job/tcwg_kernel--gnu-master-aarch64-lts-defconfig-build/243/artifact/artifacts
Reference build : 
https://ci.linaro.org/job/tcwg_kernel--gnu-master-aarch64-lts-defconfig-build/242/artifact/artifacts

Instruction to reproduce the build : 
https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/gcc/sha1/7dae3f64c069b942b9abd768fd94af4b2cd0b781/tcwg_kernel/gnu-master-aarch64-lts-defconfig/reproduction_instructions.txt

Full commit : 
https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=7dae3f64c069b942b9abd768fd94af4b2cd0b781
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