Michael Gottesman 6f8b468cb6 Change switches and selects to use NullablePtr<EnumElementDecl> instead of EnumElementDecl * when their API explicitly requires the user to check for nullptr. NFC. ...

This is just good to do and hopefully will help prevent people from forgetting
to check in the future by annotating the API explicitly as returning a
potentially nullptr.

Swift SVN r25364

2015-02-18 02:11:57 +00:00

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