We found an issue where CompiledMethods can produce the same hash event within the same MethodDictionary. Reported here:
https://pharo.fogbugz.com/f/cases/14246/CompiledMethod-hash-can-produce-clashes <https://pharo.fogbugz.com/f/cases/14246/CompiledMethod-hash-can-produce-clashes> Cheers, Max
