[Bug c++/47817] incorrectly working code generated with -O3

[pinskia at gcc dot gnu.org]

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.