David Farler 51f8070abe Serialize local types ...

Local type declarations are saved in the source file during parsing,
now serialized as decls. Some of these may be defined in DeclContexts
which aren't Decls and previously weren't serialized. Create four new
record kinds:

* PatternBindingInitializer
* DefaultArgumentInitializer
* AbstractClosureExpr
* TopLevelCodeDecl

These new records are used to only preserve enough information for
remangling in the debugger, and parental context relationships.

Finally, provide a lookup API in the module to search by mangled name.
With the new remangling API, the debugging lifecycle for local types
should be complete.

The extra LOCAL_CONTEXT record will compressed back down in a
subsequent patch.

Swift SVN r24739

2015-01-27 01:49:54 +00:00

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