Under what circumstances do you think the GOP would allow a tax increase on the wealthy?

The GOP didn’t allow the payroll tax cut to continue because it wasn’t paid for. They also wouldn’t allow the Dems proposal to raise taxes on the wealthy to pay for it.

I don’t feel I need to provide any recent articles to support the notion the the GOP is currently vehemently opposed to any sorts of increased taxes on the wealthy, arguing that they are the job creators in a tough economy.

But it occurred to me that I can’t think of a circumstance in which the GOP will allow tax increases on the wealthy. Is there an economic circumstance in which the GOP philosophy would deem it wise to do that?