[PATCH] D45699: [Availability] Improve availability to consider functions run at load time

[Steven Wu via Phabricator via cfe-commits]

steven_wu created this revision.
steven_wu added a reviewer: arphaman.

There are some functions/methods that run when the application launches
or the library loads. Those functions will run reguardless the OS
version as long as it satifies the minimum deployment target. Annotate
them with availability attributes doesn't really make sense because they
are essentially available on all targets since minimum deployment
target.

rdar://problem/36093384


Repository:
  rC Clang

https://reviews.llvm.org/D45699

Files:
  include/clang/Basic/DiagnosticSemaKinds.td
  lib/Sema/SemaDecl.cpp
  lib/Sema/SemaDeclAttr.cpp
  lib/Sema/SemaDeclObjC.cpp
  test/SemaObjC/unguarded-availability.m

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