[Frontend] Print least valid pointer value in -print-target-info#84313

kateinoigakukun wants to merge 2 commits intoswiftlang:mainswiftlang/swift:mainfrom

kateinoigakukun:yt/add-print-least-valid-pointerkateinoigakukun/swift:yt/add-print-least-valid-pointerCopy head branch name to clipboard