I can't see any result other than Labour going backwards. The latest polls have Labour 8% behind the Tories, vs 6.5% behind in the actual results in the last General Election. Yes, the polls were way off then....... they overstated Labour's vote share.
Also the Tories will play the National...
Labour have called for a General Election. It's an open goal for Theresa May; she'd be bloody mad to say no - then worries about her being unelected will disappear.
Also, Corbyn will have no chance to resign after getting humiliated - the only issue being how small a party there would be for...