Doug Gregor c9c50b4ae0 [Requirement machine] Ignore unavailable conformances on superclass constraints. ...

When determining whether a superclass conforms to a particular protocol,
skip unavailable conformances. This way, we don't minimize away a
constraint that might only apply to subclasses of the specified
superclass.

Fixes rdar://91853658.

2022-05-27 13:09:15 -07:00

7.5 KiB

Raw Blame History

View Raw