http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47817
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-02-19 21:37:08 UTC --- (In reply to comment #4) > But given that reinterpret_cast does not, I would still suspect some tricky > things happening inside gcc anyway.. No reinterpret_cast does not change the fact you are violating the aliasing rules.