[PATCH] D35781: [Sema] Make sure that -Wunguarded-availability emits notes at the right redeclaration

[Erik Pilkington via Phabricator via cfe-commits]

erik.pilkington created this revision.

This is done by modifying ShouldDiagnoseAvailabilityOfDecl() so that the OffendingDecl is the one with the original availability attribute. Also, keep track of this availability attribute so we don't have to constantly recompute it via getAttrForPlatform().

Thanks for taking a look!
Erik


https://reviews.llvm.org/D35781

Files:
  include/clang/AST/DeclBase.h
  include/clang/Sema/DelayedDiagnostic.h
  lib/AST/DeclBase.cpp
  lib/Sema/DelayedDiagnostic.cpp
  lib/Sema/SemaDeclAttr.cpp
  test/Sema/attr-availability-ios.c
  test/Sema/attr-availability-tvos.c
  test/Sema/attr-availability-watchos.c
  test/Sema/attr-availability.c
  test/SemaObjC/protocol-attribute.m

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