[ROOT6] Updated root to tip of branch master

[aandvalenzuela]

Follow up PR #7996

[aandvalenzuela]

please test

[cmsbuild]

A new Pull Request was created by @aandvalenzuela (Andrea Valenzuela) for branch IB/CMSSW_12_5_X/rootmaster.

@smuzaffar, @aandvalenzuela, @iarspider can you please review it and eventually sign? Thanks.
@perrotta, @dpiparo, @qliphy, @rappoccio you are the release manager for this.
cms-bot commands are listed here

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-c759d7/26334/summary.html
COMMIT: 9f2a525
CMSSW: CMSSW_12_5_ROOT6_X_2022-07-19-2300/el8_amd64_gcc10
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmsdist/7999/26334/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 Revert "[vecgeom] Disable aggressive compiler optimizations" #7998

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-c759d7/26334/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-c759d7/26334/git-merge-result

Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 55608 differences found in the comparisons
• DQMHistoTests: Total files compared: 50
• DQMHistoTests: Total histograms compared: 3662417
• DQMHistoTests: Total failures: 301393
• DQMHistoTests: Total nulls: 150
• DQMHistoTests: Total successes: 3360852
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.509 KiB( 49 files compared)
• DQMHistoSizes: changed ( 10224.0 ): 0.352 KiB SiStrip/MechanicalView
• DQMHistoSizes: changed ( 11834.0 ): 0.028 KiB SiStrip/MechanicalView
• DQMHistoSizes: changed ( 250202.181 ): 0.117 KiB SiStrip/MechanicalView
• DQMHistoSizes: changed ( 25202.0 ): 0.012 KiB SiStrip/MechanicalView
• Checked 208 log files, 45 edm output root files, 50 DQM output files
• TriggerResults: found differences in 14 / 49 workflows

[iarspider]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next IB/CMSSW_12_5_X/rootmaster IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @perrotta, @dpiparo, @qliphy, @rappoccio (and backports should be raised in the release meeting by the corresponding L2)