Hey, its 7.30 and I ain't slept yet, so if this comes out nonsensical, I have an excuse...
edit: cut out babbling about diodes
So after all that convoluted waffle, it shouldn't 'blow' the LED, or even come close, but it might possibly shorten its (long) life I suppose. But hey, LEDs (at least yer normal green etc) are dirt cheap!
Bah, I need some kip.