http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60267
--- Comment #13 from Sylwester Arabas <slayoo at staszic dot waw.pl> --- Just confirming it solved the problem with compilation of Blitz++ with the ivdep pragmas. Thanks, Sylwester P.S. Turning them on, causes a slowdown in this case, though :).