Thanks for this! One question... On Fri, 2013-01-04 at 21:40 +0100, Jakub Jelinek wrote: > llvm-3.1-12.fc19.src.rpm > gcc bug, not fixed yet, see http://gcc.gnu.org/PR55875 My reading of that bug is that -fno-ivopts could be a workaround? Worse code, but if my options are that and no llvm builds... - ajax