Doug Gregor f2e66d1cd7 Break recursion when deserializing constrained protocol extensions. ...

When reading the generic parameters of a constrained protocol
extension, cross-refencing an associated type would perform name
lookup into the protocol extension itself, causing fatal recursion
during deserialization. Fixed by avoiding additional deserialization
when looking for an associated type. Fixes rdar://problem/20812303.

Swift SVN r28228

2015-05-06 23:56:58 +00:00

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