[LTO] Enable lto for 13.0.X

[smuzaffar]

backport of #8332

[smuzaffar]

please test

[cmsbuild]

A new Pull Request was created by @smuzaffar (Malik Shahzad Muzaffar) for branch IB/CMSSW_13_0_X/master.

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

• Backported from Enable LTO for IBs using master branch #8332

[smuzaffar]

+externals

this has been tested and integrated in 13.1.X . All tests look good, comparison might take come time due to lto vs nonlto comparison

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next IB/CMSSW_13_0_X/master IBs after it passes the integration tests. This pull request will now be reviewed by the release team before it's merged. @perrotta, @dpiparo, @rappoccio (and backports should be raised in the release meeting by the corresponding L2)

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-ec7a40/30941/summary.html
COMMIT: d97a5a0
CMSSW: CMSSW_13_0_X_2023-02-27-2300/el8_amd64_gcc11
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmsdist/8342/30941/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• You potentially removed 97 lines from the logs
• Reco comparison results: 61467 differences found in the comparisons
• DQMHistoTests: Total files compared: 49
• DQMHistoTests: Total histograms compared: 3557190
• DQMHistoTests: Total failures: 145717
• DQMHistoTests: Total nulls: 204
• DQMHistoTests: Total successes: 3411247
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.4149999999999999 KiB( 48 files compared)
• DQMHistoSizes: changed ( 10224.0 ): 0.715 KiB SiStrip/MechanicalView
• DQMHistoSizes: changed ( 11834.0 ): -1.439 KiB SiStrip/MechanicalView
• DQMHistoSizes: changed ( 250202.181 ): 0.885 KiB SiStrip/MechanicalView
• DQMHistoSizes: changed ( 25202.0 ): 0.254 KiB SiStrip/MechanicalView
• Checked 213 log files, 164 edm output root files, 49 DQM output files
• TriggerResults: found differences in 17 / 47 workflows