[Bug middle-end/57856] for an uninitialized variable, gcc assumes it already has value instead of report uninitialized warnings.

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57856

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I think this is a dup of another bug.