Function build_poll_call

fn build_poll_call<'tcx>(
    tcx: TyCtxt<'tcx>,
    body: &mut Body<'tcx>,
    poll_unit_place: &Place<'tcx>,
    switch_block: BasicBlock,
    fut_pin_place: &Place<'tcx>,
    fut_ty: Ty<'tcx>,
    context_ref_place: &Place<'tcx>,
    unwind: UnwindAction,
) -> BasicBlock