[6.2] Add an "addressable for dependencies" flag to value witness flags. #82344
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This may be useful for type layout of borrow fields in the future, should we decide that addressable-for-dependencies borrows should always be represented by a pointer. rdar://153650278
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LGTM for 6.2 |
tbkka
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Jun 30, 2025
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Explanation: This may be useful for type layout of borrow fields in the future, should we decide that addressable-for-dependencies borrows should always be represented by a pointer.
Scope: ABI change in support of future work.
Issue: rdar://153650278
Original PR: #82323
Risk: Low. Reserves a previously-unused metadata bit.
Testing: Swift CI
Reviewers: TBD