Fix ROOT-9173: add per object flag for the statsoverflow

[smuzaffar]

Cherry-pick root-project/root#1503 in to root v6-12-00-patches branch to fix the issue found in online DQMGUI (due to change in version of the TH1 class from 8 to 7).

[cmsbuild]

A new Pull Request was created by @smuzaffar (Malik Shahzad Muzaffar) for branch IB/CMSSW_10_3_X/gcc700.

@cmsbuild, @smuzaffar, @gudrutis, @mrodozov can you please review it and eventually sign? Thanks.
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[smuzaffar]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/29261/console

[cmsbuild]

Pull request #4201 was updated.

[cmsbuild]

+1
Tested at: 8ec89ad
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-4201/29261/summary.html
Additional comment: 'Compilation

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-4201/29261/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 31
• DQMHistoTests: Total histograms compared: 2892290
• DQMHistoTests: Total failures: 2
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2892098
• DQMHistoTests: Total skipped: 190
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 30 files compared)
• Checked 128 log files, 14 edm output root files, 31 DQM output files