Using of identity hash maps lead to errors after cache was cleared and CFG was recalculated.

[ManWhoLaughs]

On huge code bases there is an error occurred when you're trying to get the Frame from analysis, because cache was cleared and CFG was recalculated. After analysis we get new identities when the internal Spotbugs IdentityHashMaps contains old identities for the same objects.

[welcome]

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