[Linaro-TCWG-CI] gcc-15-7915-g4ed07a11ee2: 7 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-15-7915-g4ed07a11ee2
  | Author: Jeff Law <jlaw@ventanamicro.com>
  | Date:   Sun Mar 9 13:28:10 2025 -0600
  | 
  |     [rtl-optimization/117467] Avoid unnecessarily marking things live in ext-dce
  |     
  |     This is the first of what I expect to be a few patches to improve memory
  |     consumption and performance of ext-dce.
  |     
  | ... 45 lines of the commit log omitted.

Produces 7 regressions:
  | 
  | regressions.sum:
  | Running gcc:gcc.target/aarch64/aarch64.exp ...
  | FAIL: gcc.target/aarch64/popcnt-eq-1.c check-function-bodies h16
  | FAIL: gcc.target/aarch64/popcnt-le-3.c check-function-bodies gt16
  | FAIL: gcc.target/aarch64/popcnt-le-3.c check-function-bodies le16
  | FAIL: gcc.target/aarch64/tbz_2.c check-function-bodies g6
  | ... and 3 more

Used configuration :
 *CI config* tcwg_gcc_check master-aarch64
 *configure and test flags:* none, autodetected on aarch64-unknown-linux-gnu

We track this bug report under https://linaro.atlassian.net/browse/GNU-1534. 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_gcc_check--master-aarch64-build/3422/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/3422/artifact/artifacts/notify/
The list of [ignored] baseline and flaky failures are in
 * https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/3422/artifact/artifacts/sumfiles/xfails.xfail

Current build   : https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/3422/artifact/artifacts
Reference build : https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/3421/artifact/artifacts

Instruction to reproduce the build : https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/gcc/sha1/4ed07a11ee2845c2085a3cd5cff043209a452441/tcwg_gcc_check/master-aarch64/reproduction_instructions.txt

Full commit : https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=4ed07a11ee2845c2085a3cd5cff043209a452441