Rintaro Ishizaki e388c4a381 [CodeCompletion] Get associatedtype constraints from ProtocolDecl::getRequirementSignature() ...

instead of AssociatedTypeDecl::getInherited() when checking if the
return type should be suggested as "opaque result type" in override
completion.

AssociatedTypeDecl::getInherited() is not serialized. So if the protocol
is declared in a module, it was never suggested as 'some' result.

rdar://problem/57245073

2020-01-08 17:37:42 -08:00

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