http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46086
--- Comment #2 from Anton Shterenlikht <mexas at bristol dot ac.uk> 2010-10-19 21:10:00 UTC --- yes I've repeated it maybe 5-10 times over the last several weeks. I don't know if this is a regression. I think lapack dependency in freebsd ports recently moved from gcc44 to gcc45, so probably I haven't tried to build gcc45 until a few weeks ago.