[Linaro-TCWG-CI] gcc-17-129-g7eb6d800c9cc: 4 regressions on aarch64

Dear contributor,

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

In  aarch64 native, after:
  | commit gcc-17-129-g7eb6d800c9cc
  | Author: Richard Biener <[email protected]>
  | Date:   Tue Mar 10 14:34:56 2026 +0100
  | 
  |     Cost scalar into vect_body
  |     
  |     The following adjusts vect_compute_single_scalar_iteration_cost to
  |     record stmts as vect_body rather than vect_prologue so that
  |     scalar_costs->body_cost () will not be zero.
  | ... 3 lines of the commit log omitted.

Produces 4 regressions:
  | 
  | regressions.sum:
  | Running gcc:gcc.target/aarch64/aarch64.exp ...
  | FAIL: gcc.target/aarch64/pr121290_1.c scan-tree-dump-not vect "OUTER LOOP VECTORIZED"
  | FAIL: gcc.target/aarch64/pr121290_2.c scan-tree-dump-not vect "LOOP VECTORIZED"
  | FAIL: gcc.target/aarch64/pr121290_2.c scan-tree-dump-not vect "OUTER LOOP VECTORIZED"
  | FAIL: gcc.target/aarch64/pr121290_3.c scan-tree-dump-not vect "OUTER LOOP VECTORIZED"

Used configuration :
 *CI config* tcwg_gcc_check aarch64-linux-gnu
 *configure and test flags:* none, autodetected on aarch64-unknown-linux-gnu--disable-multilib --enable-fix-cortex-a53-835769 --enable-fix-cortex-a53-843419 --with-arch=armv8-a

We track this bug report under https://linaro.atlassian.net/browse/GNU-1882. Please let us know if you have a fix.

If you have any questions regarding this report, please ask on [email protected] 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
 * http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-aarch64-build/builds/10124/archive/artifacts/00-sumfiles/
The full lists of regressions and improvements as well as configure and make commands are in
 * http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-aarch64-build/builds/10124/archive/artifacts/notify/
The list of [ignored] baseline and flaky failures are in
 * http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-aarch64-build/builds/10124/archive/artifacts/sumfiles/xfails.xfail

Current build   : http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-aarch64-build/builds/10124/archive/artifacts/
Reference build : http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-aarch64-build/builds/10123/archive/artifacts/

Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/7eb6d800c9cc4ea79b108a22c56620587fbc0fb7/tcwg_gcc_check/master-aarch64/reproduction_instructions.txt

Full commit : See in git+ssh://[email protected]/git/gcc.git