Update borrow accessor diagnostics and synthesis#85097

Merged

meg-gupta merged 3 commits intoswiftlang:mainfrom

meg-gupta:withdiagpr

Oct 24, 2025

Commits on Oct 23, 2025

Add diagnostics for ownership modifiers on borrow/mutate accessors
meg-gupta
committed

Commits on Oct 24, 2025

Fix synthesis of get/set protocol constraints when borrow/mutate accessors are present
meg-gupta
committed
[NFC] Enable CHECK-IRGEN lines in a borrow accessor test
meg-gupta
committed