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-toolch...@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/GNU-1396 , 
please let us know if you are looking at the problem and/or when you have a fix.

In  arm-eabi cortex-m55 hard after:

  | commit gcc-15-3866-ga88d6c6d777a
  | Author: Konstantinos Eleftheriou <konstantinos.elefther...@vrull.eu>
  | Date:   Wed Aug 7 17:54:30 2024 +0200
  | 
  |     match: Fix A || B not optimized to true when !B implies A [PR114326]
  |     
  |     In expressions like (a != b || ((a ^ b) & c) == d) and
  |     (a != b || (a ^ b) == c), (a ^ b) is folded to false.
  |     In the equivalent expressions (((a ^ b) & c) == d || a != b) and
  | ... 20 lines of the commit log omitted.

FAIL: 2 regressions

regressions.sum:
  |             === gcc tests ===
  | 
  | Running gcc:gcc.dg/tree-ssa/tree-ssa.exp ...
  | FAIL: gcc.dg/tree-ssa/fold-xor-and-or.c scan-tree-dump-not optimized 
"d1_[0-9]+.D. \\^ d2_[0-9]+.D."
  | FAIL: gcc.dg/tree-ssa/fold-xor-or.c scan-tree-dump-not optimized 
"d1_[0-9]+.D. \\^ d2_[0-9]+.D."
  | 

The configuration of this build is:
*CI config* tcwg_gnu_embed_check_gcc arm-eabi -mthumb 
-march=armv8.1-m.main+mve.fp+fp.dp -mtune=cortex-m55 -mfloat-abi=hard -mfpu=auto
*configure and test flags:* --target arm-eabi --disable-multilib 
--with-mode=thumb --with-arch=armv8.1-m.main+mve.fp+fp.dp --with-float=hard 
--target_board=-mthumb/-march=armv8.1-m.main+mve.fp+fp.dp/-mtune=cortex-m55/-mfloat-abi=hard/-mfpu=auto
 qemu-cpu=cortex-m55

You can find the failure logs in *.log.1.xz files in
 * 
https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m55_hard_eabi-build/650/artifact/artifacts/00-sumfiles/
The full lists of regressions and improvements as well as configure and make 
commands are in
 * 
https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m55_hard_eabi-build/650/artifact/artifacts/notify/
The list of [ignored] baseline and flaky failures are in
 * 
https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m55_hard_eabi-build/650/artifact/artifacts/sumfiles/xfails.xfail

The configuration of this build is:
*CI config* tcwg_gnu_embed_check_gcc arm-eabi -mthumb 
-march=armv8.1-m.main+mve.fp+fp.dp -mtune=cortex-m55 -mfloat-abi=hard -mfpu=auto
*configure and test flags:* --target arm-eabi --disable-multilib 
--with-mode=thumb --with-arch=armv8.1-m.main+mve.fp+fp.dp --with-float=hard 
--target_board=-mthumb/-march=armv8.1-m.main+mve.fp+fp.dp/-mtune=cortex-m55/-mfloat-abi=hard/-mfpu=auto
 qemu-cpu=cortex-m55

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

Current build   : 
https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m55_hard_eabi-build/650/artifact/artifacts
Reference build : 
https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m55_hard_eabi-build/649/artifact/artifacts

Instruction to reproduce the build : 
https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/gcc/sha1/a88d6c6d777ad7c9235e2e620318f26e5347e50a/tcwg_gnu_embed_check_gcc/master-thumb_m55_hard_eabi/reproduction_instructions.txt

Full commit : 
https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=a88d6c6d777ad7c9235e2e620318f26e5347e50a

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