http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50115
--- Comment #10 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-08-18 13:13:22 UTC --- actually, technically unsigned integers cannot "overflow", they wrap, with well-defined behaviour (as it says, "unsigned arithmetic does not overflow") but in layman's terms, yes, you are correct
