[clang] [APINotes] Upstream the remaining API Notes fixes and tests (PR #84773)

[Saleem Abdulrasool via cfe-commits]

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+// RUN: rm -rf %t && mkdir -p %t
+// RUN: %clang_cc1 -fmodules  -fimplicit-module-maps -fmodules-cache-path=%t/ModulesCache -fapinotes-modules -Wno-private-module -fsyntax-only -I %S/Inputs/Headers -F %S/Inputs/Frameworks %s -verify
+
+// Test with Swift version 3.0. This should only affect the few APIs that have an entry in the 3.0 tables.
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compnerd wrote:

Hmm, do we still support Swift 3 in the Swift compiler even?

https://github.com/llvm/llvm-project/pull/84773