Slava Pestov f3b207ed67 Serialization: Don't serialize types of various decls ...

We can recover function, destructor, constructor, enum element
and subscript types from their parameter types and result type
(if present), by calling the AST's various computeType()
methods.

These methods don't do any more work than would be done if
we had deserialized the type and reconstructed it, so let's
just recompute it instead.

Note that we still serialize a ton of function types, due
to XREFs.

With my build configuration, this reduces the size of
Swift.swiftmodule by 237KiB (out of 20MiB).

2018-08-10 22:32:52 -07:00

50 KiB

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