Fix copy constructors in RooMultiPdf for ROOT v6.30

cms-analysis / HiggsAnalysis-CombinedLimit

CMS Higgs Combination toolkit.

https://cms-analysis.github.io/HiggsAnalysis-CombinedLimit/latest

Apache License 2.0

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Fix copy constructors in RooMultiPdf for ROOT v6.30 #951

Closed anigamova closed 1 month ago

anigamova commented 3 months ago

This fixes the following exception when running with ROOT v6.30:

Attempt to add elements to a RooSetProxy or RooListProxy without owner! Please avoid using the RooListProxy default constructor, which should only be used by IO.