Jordan Rose 3fcdfd40e9 Remove the "swift/Basic/Optional.h" header. ...

llvm::Optional lives in "llvm/ADT/Optional.h". Like Clang, we can get
Optional in the 'swift' namespace by including "swift/Basic/LLVM.h".

We're now fully switched over to llvm::Optional!

Swift SVN r22477

2014-10-02 18:51:45 +00:00

7.1 KiB

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