Chris Lattner b6ad8d5efc Teach emitBindOptional() to disable the cleanup for the optional it is testing on the ...

nil path.  This avoids emitting a "release" operation on an optional temporary that is
always guaranteed to be dynamically nil.  This cleans up the generated code for x?.foo().



Swift SVN r28103

2015-05-04 00:13:18 +00:00

100 KiB

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