( "warn-duplicate-exports", Opt_WarnDuplicateExports ),
( "warn-hi-shadowing", Opt_WarnHiShadows ),
( "warn-implicit-prelude", Opt_WarnImplicitPrelude ),
( "warn-duplicate-exports", Opt_WarnDuplicateExports ),
( "warn-hi-shadowing", Opt_WarnHiShadows ),
( "warn-implicit-prelude", Opt_WarnImplicitPrelude ),