well, of course they can be buggy, they are written by humans, after all :) but in my time as a programmer, i think i've seen one bug that was a genuine compil

well, of course they can be buggy, they are written by humans, after all :) but in my time as a programmer, i think i've seen one bug that was a genuine compiler bug. and this was in floating point arithmetic optimisations. llvm/clang, well, i'd hazard to call them mature (even though apple insists on doing so).