Function rustc_monomorphize::polymorphize::emit_unused_generic_params_error

fn emit_unused_generic_params_error<'tcx>(
    tcx: TyCtxt<'tcx>, 
    def_id: DefId, 
    generics: &'tcx Generics, 
    unused_parameters: &FiniteBitSet<u32>
)

Emit errors for the function annotated by #[rustc_polymorphize_error], labelling each generic parameter which was unused.