Update GCC to 14.4.1 and patch it for ASAN failures

[akritkbehera]

No description provided.

[akritkbehera]

please test

[cmsbuild]

cms-bot internal usage

[akritkbehera]

please test for CMSSW_20_1_ASAN_X

[cmsbuild]

-1

Failed Tests: UnitTests
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-f74a75/55770/summary.html
COMMIT: d0438c0
CMSSW: CMSSW_20_1_X_2026-09-08-2300/el9_amd64_gcc14
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmsdist/10841/55770/install.sh to create a dev area with all the needed externals and cmssw changes.

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:

• @cms-sw [UBSAN] Apply abseil ubsan fix #10837

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-f74a75/55770/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-f74a75/55770/git-merge-result

Failed Unit Tests

I found 3 errors in the following unit tests:

---> test test_edmPickEvents had ERRORS
---> test testJetMETCorrectionsType1MET had ERRORS
---> test test-das-selected-lumis had ERRORS

Comparison Summary

Summary:

• You potentially added 10 lines to the logs
• Reco comparison results: 243 differences found in the comparisons
• DQMHistoTests: Total files compared: 45
• DQMHistoTests: Total histograms compared: 3592269
• DQMHistoTests: Total failures: 191
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3592060
• DQMHistoTests: Total skipped: 18
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 44 files compared)
• Checked 195 log files, 163 edm output root files, 45 DQM output files
• TriggerResults: no differences found

[cmsbuild]

-1

Failed Tests: UnitTests RelVals
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-f74a75/55771/summary.html
COMMIT: d0438c0
CMSSW: CMSSW_20_1_ASAN_X_2026-09-07-2300/el9_amd64_gcc14
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmsdist/10841/55771/install.sh to create a dev area with all the needed externals and cmssw changes.

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:

• @cms-sw md5: To avoid collision: rename md5.h to edm_md5 #10825
• @cms-sw [UBSAN] Apply abseil ubsan fix #10837

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-f74a75/55771/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-f74a75/55771/git-merge-result

Failed Unit Tests

I found 7 errors in the following unit tests:

---> test TestIOPoolSimpleMerge had ERRORS
---> test TestIOPoolInputNoParentDictionary had ERRORS
---> test testJetMETCorrectionsType1MET had ERRORS
and more ...

Failed RelVals

The relvals timed out after 4 hours.

[smuzaffar]

looks like this update with gcc patch did not fix the ASAN unit tests failure