[Linaro-TCWG-CI] gcc-16-5562-g54e9c0be90f: 4 regressions on master-thumb_m3_softfp_eabi

[ci_notify@linaro.org]

Dear contributor,

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

In  arm-eabi cortex-m3 softfp, after:
  | commit gcc-16-5562-g54e9c0be90f
  | Author: Robin Dapp <rdapp@ventanamicro.com>
  | Date:   Sat Nov 22 20:53:25 2025 +0100
  | 
  |     vect: Use start value in vect_load_perm_consecutive_p [PR122797].
  |     
  |     vect_load_perm_consecutive_p is used in a spot where we want to check
  |     that a permutation is consecutive and starting with 0.  Originally I
  |     wanted to add this way of checking to the function but what I ended
  | ... 20 lines of the commit log omitted.

Produces 4 regressions:
  | 
  | regressions.sum:
  | Running gcc:gcc.dg/vect/vect.exp ...
  | FAIL: gcc.dg/vect/pr122797.c (test for excess errors)
  | FAIL: gcc.dg/vect/pr122797.c -flto -ffat-lto-objects (test for excess errors)
  | UNRESOLVED: gcc.dg/vect/pr122797.c -flto -ffat-lto-objects compilation failed to produce executable
  | UNRESOLVED: gcc.dg/vect/pr122797.c compilation failed to produce executable

Used configuration :
 *CI config* tcwg_gnu_embed_check_gcc arm-eabi -mthumb -march=armv7-m -mtune=cortex-m3 -mfloat-abi=softfp -mfpu=auto
 *configure and test flags:* --target arm-eabi --disable-multilib --with-mode=thumb --with-cpu=cortex-m3 --with-float=softfp --target_board=-mthumb/-march=armv7-m/-mtune=cortex-m3/-mfloat-abi=softfp/-mfpu=auto qemu_cpu=cortex-m3

We track this bug report under https://linaro.atlassian.net/browse/GNU-1776. 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.

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

You can find the failure logs in *.log.1.xz files in
 * https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m3_softfp_eabi-build/589/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_m3_softfp_eabi-build/589/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_m3_softfp_eabi-build/589/artifact/artifacts/sumfiles/xfails.xfail

Current build   : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m3_softfp_eabi-build/589/artifact/artifacts
Reference build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m3_softfp_eabi-build/588/artifact/artifacts

Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/54e9c0be90fa87767d57ff682e044959feb754f2/tcwg_gnu_embed_check_gcc/master-thumb_m3_softfp_eabi/reproduction_instructions.txt

Full commit : See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git