swift

0c752a97 - Add a missing implicit Copyable constraint

Add a missing implicit Copyable constraint Co-authored-by: Kavon Farvardin <kfarvardin@apple.com> Co-authored-by: Slava Pestov <spestov@apple.com> (cherry picked from commit 6fa34bdabf7a33e1a7223984789f8990f73b14c3)