Jordan Rose b892892871 Disallow use of TypeBase::getAs/isa/castAs with sugared types. ...

These methods all act on the desugared type, so the result would always be
false/null.

Also removes a few mistaken uses of getAs caught by this change.

Swift SVN r19585

2014-07-06 22:07:26 +00:00

140 KiB

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