Add support for a declaration attribute `@warn` for source-level warning group behavior control#85036

Merged

artemcm merged 3 commits intoswiftlang:mainfrom

artemcm:AddSupportForWarnAttr

Dec 15, 2025

Commits on Dec 12, 2025

Add parsing for a declaration attribute '@warn' for source-level warning group behavior control
artemcm
committed
Implement support for unified warning group behavior queries per-diagnostic
artemcm
committed
De-register temporary buffer 'SourceFile's created during availability attribute argument parsing
artemcm
committed