Segmentation fault in case of TRef and TRefArray circular-kind-of references

[pcanal]

Segmentation fault when removing object from TRefArray

ROOT Version: 6.22/02 Platform: Ubuntu 20.04 Compiler: gcc (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0 I am trying to fill a TTree with an Event object whose component objects contain references (TRefArray) among each other, but I get a segmentation fault when calling TTree::Fill, if and only if I add AND THEN remove one of the references. In summary this is what triggers the segfault: Open a TFile Create a TTree containing a custom Event class The Event class contains a collection of objects o…