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.

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