Revert "[ObjC] Consider availability of context when emitting availability warnings"

Reverting r277058, while I fugure out why it broke internal bots.

This reverts commit e514ffa8b657416c6784bbe6da9f5de19365103d.

llvm-svn: 277070

1 files changed, 0 insertions, 23 deletions

diff --git a/clang/lib/Sema/SemaDeclAttr.cpp b/clang/lib/Sema/SemaDeclAttr.cpp
index 287632382dd..73fd057a2a5 100644
--- a/clang/lib/Sema/SemaDeclAttr.cpp
+++ b/clang/lib/Sema/SemaDeclAttr.cpp
@@ -6484,26 +6484,3 @@ void Sema::EmitAvailabilityWarning(AvailabilityDiagnostic AD,
   DoEmitAvailabilityWarning(*this, AD, Ctx, D, Message, Loc, UnknownObjCClass,
                             ObjCProperty, ObjCPropertyAccess);
 }
-
-VersionTuple Sema::getVersionForDecl(const Decl *D) const {
-  assert(D && "Expected a declaration here!");
-
-  VersionTuple DeclVersion;
-  if (const auto *AA = getAttrForPlatform(getASTContext(), D))
-    DeclVersion = AA->getIntroduced();
-
-  const ObjCInterfaceDecl *Interface = nullptr;
-
-  if (const auto *MD = dyn_cast<ObjCMethodDecl>(D))
-    Interface = MD->getClassInterface();
-  else if (const auto *ID = dyn_cast<ObjCImplementationDecl>(D))
-    Interface = ID->getClassInterface();
-
-  if (Interface) {
-    if (const auto *AA = getAttrForPlatform(getASTContext(), Interface))
-      if (AA->getIntroduced() > DeclVersion)
-        DeclVersion = AA->getIntroduced();
-  }
-
-  return DeclVersion;
-}