swift

ae7671d7 - [TBDGen] Allow user-provided dylib version flags (#18716)

[TBDGen] Allow user-provided dylib version flags (#18716) * [TBDGen] Allow user-provided dylib version flags This patch adds two frontend arguments, -tbd-compatibility-version and -tbd-current-version, both of which accept SemVer versions. These will show up in the generated TBD file for a given module as current-version: 2.7 compatibility-version: 2.0 These flags both default to `1.0.0`. * Reword some comments * Add test for invalid version string * Expand on comments for TBD flags