http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56160
--- Comment #2 from Julian Taylor <jtaylor.debian at gmail dot com> 2013-01-31 10:47:54 UTC --- these three lines is missing at the top of the attachment #include <complex.h> #include <pmmintrin.h> #define UNLIKELY(x) __builtin_expect((x),0)