bug fix in clone constructor of GsfElectron. New method to get regres…

[shervin86]

…sion correction without modifying the object
Backport of #16752

[cmsbuild]

A new Pull Request was created by @shervin86 for CMSSW_8_1_X.

It involves the following packages:

DataFormats/EgammaCandidates
RecoEgamma/EgammaTools

@cmsbuild, @cvuosalo, @slava77, @davidlange6 can you please review it and eventually sign? Thanks.
@Sam-Harper, @rafaellopesdesa, @lgray this is something you requested to watch as well.
@slava77, @smuzaffar you are the release manager for this.

cms-bot commands are listed here #13028

[slava77]

@cmsbuild please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/16668/console

[cmsbuild]

+1
Tested at: 5c446d5
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-16789/16668/summary.html

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-16789/16668/summary.html

[slava77]

+1

for #16789 5c446d5

• backport of bug fix in clone constructor of GsfElectron.  #16752 with changes serving analysis needs (no effect on centrally running workflows)
  • code changes are the same as in bug fix in clone constructor of GsfElectron.  #16752
• jenkins tests pass and show no relevant differences in monitored quantities

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_8_1_X IBs (tests are also fine). This pull request requires discussion in the ORP meeting before it's merged. @slava77, @davidlange6, @smuzaffar

[davidlange6]

+1