Joe Groff 22793b4567 Fixes for opaque return types on local functions. ...

- In Sema, don't traverse nested declarations while deducing the opaque return type. This would
  cause returns inside nested functions to clobber the return type of the outer function.
- In IRGen, walk the list of opaque return types we keep in the SourceFile already for type
  reconstruction, instead of trying to visit them ad-hoc as part of walking the AST, since
  IRGen doesn't normally walk the bodies of function decls directly.

Fixes rdar://problem/50459091

2019-05-03 16:53:21 -07:00

152 KiB

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