fn sized_trait_bound_spans<'tcx>(
tcx: TyCtxt<'tcx>,
bounds: GenericBounds<'tcx>
) -> impl 'tcx + Iterator<Item = Span>
fn sized_trait_bound_spans<'tcx>(
tcx: TyCtxt<'tcx>,
bounds: GenericBounds<'tcx>
) -> impl 'tcx + Iterator<Item = Span>