[PATCH] D18092: Swift Calling Convention: add swifterror attribute

[Renato Golin via llvm-commits]

rengolin added a subscriber: rengolin.
rengolin added a comment.

I was expecting a bit more tests for this, including adding the
attribute to multiple positions in the argument list, or to multiple
types, and make sure only the valid types / positions are accepted.


http://reviews.llvm.org/D18092