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Type:
Bug
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Status: Closed (View Workflow)
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Priority:
Medium
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Resolution: Fixed
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Affects Version/s: 6.20/02, 6.20/04
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Component/s: RooFit/RooStats
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Labels:None
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Environment:
Using ROOT 6.20.02 from LHCb's stack based on LCG_97, running on centos7.
Using the "Asymptotically correct approach" coming with ROOT 6.20 crashes my fits. Running via gdb indicates that this line causes the problem:
https://github.com/root-project/root/blob/v6-20-02/roofit/roofitcore/src/RooAbsPdf.cxx#L1532
It should probably be floatingparams->find(paramresult->GetName()) instead of ->getTitle(). In my setup, the title diverges from the name, leading to a nullptr and a segfault when calling the derivative().