Hi, while following LKML, I saw this interesting thread [1] which resulted in a bug-report on GCC BTS [2]. Might be interesting for you to also follow. Kind Regards, - Sedat - [1] http://lkml.org/lkml/2010/11/14/230 [2] http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46479