Michael Gottesman d866316e04 [specializer] Teach the specializer how to handle indentity {unconditional_checked_cast,checked_cast_br} super_to_archetype. ...

This is working under the assumption that every class is in a certain
sense its own super class (or we are allowing it to be so for these
casts).

Swift SVN r18020

2014-05-13 20:15:31 +00:00

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