[Bug c/46619] gcc thinks line of code can be removed.

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46619

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2010-11-23 
13:01:42 UTC ---
What happens if -fwrapv is used as an option to GCC?