In the Early Errors for class bodies, we have this prose:
It is a Syntax Error if the PrivateBoundIdentifiers of ClassElementList contains any duplicate entries, unless the name is used once for a getter and once for a setter and in no other entries, and the getter and setter are either both static or both non-static.
IMO that's too much handwaving.
In the Early Errors for class bodies, we have this prose:
IMO that's too much handwaving.