Recover from a raw type hidden behind an internal or implementation-only
import by dropping the whole enum when the raw type is unavailable. This
scenario should happen only when looking at non-public decl for indexing or
debugging, or if dependencies somehow changed and left behind a stale
swiftmodule file.
rdar://147091863
A type dependencies are used at deserialization to drop a protocol early
when a dependency is not deserializable. Dependencies on protocols via a
protocol composition were not taken into account. This lead to the
deserialization process failing later. Fix the serialization process to
write protocol dependencies too.
rdar://78631465
Access to a missing member on an AnyObject triggers a typo correction
that looks at all class members in imported modules. Make sure it
recovers from deserializing members referencing implementation-only
imported types.
rdar://79427805
In #30614, we started consuming XRefNonLoadedModuleErrors while loading
conformances, since a conformance to a type we cannot load usually
indicates we're trying to load a protocol that was declared in an
@_implementationOnly imported module.
We should also consume TypeErrors that we see where the underlying reason
is an XRefNonLoadedModuleError, since they're likely indicators of the
same thing.
We already ban all structs from declaring storage that comes from implementation-only imports. Until now we missed property wrappers, they were just dropped in deserialization.
Resolves rdar://problem/59403617
Components of a requirement may be hidden behind an implementation-only
import. Attempts at deserializing them would fail on a 'module not
loaded' error. We only see failures in non-compilation paths, either in
indexing or with tools like ide-test as they try to deserialize
things that are private.
Harden more of the serialization functions to propagate errors for
the caller to handle these errors gracefully. This fixes a crash in
finishNormalConformance when indexing a system module with an
implementation-only import.
rdar://problem/52837313
