[Linaro-TCWG-CI] gcc-15-6396-g7c50564627e4: 3 regressions on aarch64

[ci_notify@linaro.org]

Dear contributor,

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

In gcc_check master-aarch64, after:
  | commit gcc-15-6396-g7c50564627e4
  | Author: Christoph Müllner <christoph.muellner@vrull.eu>
  | Date:   Fri Dec 20 14:46:51 2024 +0100
  | 
  |     testsuite: Add tests for PR118149
  |     
  |     A recent bugfix (eee2891312) for PR117830 also addressed PR118149.
  |     This patch adds two test cases for PR118149.
  |     These tests are different than other tests in that one of the
  | ... 11 lines of the commit log omitted.

Produces 3 regressions:
  | Running gcc:gcc.dg/tree-ssa/tree-ssa.exp ...
  | FAIL: gcc.dg/tree-ssa/pr118149.c scan-tree-dump forwprop4 "VEC_PERM_EXPR.*{ 0, 0, 6, 6 }"
  | FAIL: gcc.dg/tree-ssa/pr118149.c scan-tree-dump forwprop4 "VEC_PERM_EXPR.*{ 1, 1, 7, 7 }"
  | FAIL: gcc.dg/tree-ssa/pr118149.c scan-tree-dump forwprop4 "Vec perm simplify sequences have been blended"

Used configuration :
 *CI config* tcwg_gcc_check master-aarch64
 *configure and test flags:* --target aarch64-linux-gnu

We track this bug report under https://linaro.atlassian.net/browse/GNU-1472. 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:

You can find the failure logs in *.log.1.xz files in
 * https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/3073/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_gcc_check--master-aarch64-build/3073/artifact/artifacts/notify/
The list of [ignored] baseline and flaky failures are in
 * https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/3073/artifact/artifacts/sumfiles/xfails.xfail

Current build   : https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/3073/artifact/artifacts
Reference build : https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/3071/artifact/artifacts

Instruction to reproduce the build : https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/gcc/sha1/7c50564627e42c619cc64c09cce8a42fd7932166/tcwg_gcc_check/master-aarch64/reproduction_instructions.txt

Full commit : https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=7c50564627e42c619cc64c09cce8a42fd7932166