[Soot-list] Bug in TopologicalOrderer

[Quentin Sabah]

Hi,

Soot's call-graph is designed to store edges, thus unconnected nodes cannot be represented. I think the current code is correct regarding the classic use of the cg: looking for edges. 

However if another part of Soot should be considering unconnected nodes, then such part should rather use soot.EntryPoints or something similar.

Regards.
-- 
Quentin Sabah, CIFRE Ph.D. student
Grenoble University
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