Allan Shortlidge 3ea979f712 AST: Request-ify retrieval of SemanticAvailabilitySpec. ...

Introduced `SemanticAvailabilitySpecRequest` to retrieve the semantic spec for
an `AvailabilitySpec`. Add an `isInvalid` bit to `AvailabilitySpec` to track
whether the request failed. Unfortunately, there aren't any easily accessible
spare bits in the layout of `AvailabilitySpec` so it had to be a new field.

2025-03-04 17:46:18 -08:00

8.4 KiB

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