gi/object: Cache known unresolvable properties
Repeatedly trying to resolve properties that are known to be unresolvable locally (ie. belonging to a parent class) was wasting a huge amount of CPU.
Closes: #302 (closed)
Repeatedly trying to resolve properties that are known to be unresolvable locally (ie. belonging to a parent class) was wasting a huge amount of CPU.
Closes: #302 (closed)