gnupro on ia64 can't compile kpilot (part of kdepim) and kdemultimedia even with optimizations turned of; similarily, it can't compile kdelibs if any optimizations are enabled.
Created attachment 6638 [details] Preprocessor output from kdemultimedia
Created attachment 6639 [details] Preprocessor output from kpilot (kdepim)
This appears to be fixed with the current compiler (at least, neither of those two files ICE any more.)