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Doug Gregor a54a6d8d7f [ABI] Rework protocol descriptor metadata.

Reimplement protocol descriptors for Swift protocols as a kind of
context descriptor, dropping the Objective-C protocol compatibility
layout. The new protocol descriptors have several advantages over the
current implementation:

* They drop all of the unused fields required for layout-compatibility
  with Objective-C protocols.
* They encode the full requirement signature of the protocol. This
  maintains more information about the protocol itself, including
  (e.g.) correctly encoding superclass requirements.
* They fit within the general scheme of context descriptors, rather than
  being their own thing, which allows us to share more code with
  nominal type descriptors.
* They only use relative pointers, so they’re smaller and can be placed
  in read-only memory

 Implements rdar://problem/38815359.

2018-07-23 22:12:42 -07:00

LongTests

[Misc] NFC: Fix random build warnings

2018-04-30 12:52:43 -04:00

Array.cpp

Restructure how we finalize VWTs in the runtime to potentially allow asynchronous queries.

2018-03-26 01:13:45 -04:00

CMakeLists.txt

[Runtime] Fix ConcurrentReadableArray's handling of FreeList to not double-free items. Also implement a destructor so it can be used for non-globals.

2018-05-23 11:29:26 -04:00

CompatibilityOverride.cpp

[Runtime] Fix warning about implicitly converting nullptr to bool in CompatibilityOverride.cpp tests.