[JCW] Throw error if user tries to override a Kotlin name-mangled method. (#534) #537
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Context: #534
There are cases where Kotlin generates Java methods that are not allowed Java identifier names:
In this case we cannot allow the user to implement the class as the mangled method cannot be implemented. We still need the class to be bound because there might be a Kotlin-created subclass
that needs the base class to exist.
There's no foolproof way to mark these as "not implementable". The best we can do for now is to detect if the user implements them in
GenerateJavaStubsand give an informative error at that point.This PR adds this error: