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c2952b77aa
.pointee is a computed variable whose getter and setter are synthesized from operator*() (dereference). .successor() is a method that is synthesized from operator++() (prefix increment). They are currently created at the end of importing each StructDecl. That relies on importing operators eagerly, which can lead to template over-instantiation issues, and is also extra work that we should try to avoid. Also, .pointee picks getters and setters based on the last-seen operator*() overload, which is an unintuitive programming model and also especially error-prone when matters of inheritance are involved. We should teach ClangImporter to look up and synthesize these members on-demand, rather than relying on synthesizing these eagerly. rdar://167360692