[Bug tree-optimization/45397] [4.5/4.6/4.7/4.8 Regression] Issues with integer narrowing conversions

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45397

--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-03-02 
09:39:16 UTC ---
Note that once can't use signed type in the narrowing + of course, it needs to
be unsigned char addition to avoid overflows.