Cannot set gc=False on Generic structs? #631

Question

If I do

class MsgspecEntity(msgspec.Struct, Generic[P], gc=False):

I get the following error:

ValueError: Cannot set gc=False when inheriting from non-struct types

I suppose I can work around this by dynamically redefining the struct for each possible P type, to avoid using Generic, but is this expected? It would be easier if Generic were excluded from the above restriction.