[cxx-interop] Add attribute to hide Swift declarations from interop#84053

Xazax-hun merged 1 commit intoswiftlang:release/6.2swiftlang/swift:release/6.2from

Xazax-hun:attr-hide-swift-decls-on-6.2Xazax-hun/swift:attr-hide-swift-decls-on-6.2Copy head branch name to clipboard