[Bug c/50624] detecting array overflows regressed

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50624

--- Comment #6 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-10-06 15:10:45 UTC ---
(In reply to comment #5)
> Easy case = constant expressions as index?
> 
> Would the frontend be able to handle
> 
> short array[1];
> 
> i = 1;
> array[i]

Probably not.

It's also the usual trade-off between warnings for dead code or not.