Properly handle TTree aliases contain just function calls.
Properly handle TTree aliases contain just function calls.

See https://root-forum.cern.ch/t/ttree-setalias-with-tmath-min-tmath-max-issue/33881.

root-mirror/root,root-mirror/root,karies/root,root-mirror/root,root-mirror/root,olifre/root,olifre/root,olifre/root,karies/root,karies/root,karies/root,karies/root,root-mirror/root,root-mirror/root,karies/root,olifre/root,olifre/root,olifre/root,root-mirror/root,karies/root,root-mirror/root,karies/root,olifre/root,root-mirror/root,karies/root,karies/root,olifre/root,olifre/root,root-mirror/root,karies/root,olifre/root,root-mirror/root,olifre/root