Re: [PATCH] c/67882 - improve -Warray-bounds for invalid offsetof

[Bernd Schmidt <bschmidt at redhat dot com>]

On 10/26/2015 12:47 PM, Jakub Jelinek wrote:

> Because the amount of code that uses this (including GCC itself) is just too
> huge, so everywhere in the middle-end we also special case last array members of
> structs.  While C99+ has flexible array members, e.g. C++ does not, so users
> are left with using struct { ... type fld[1]; };

Yes, and that case is documented. However, the issue is arrays declared 
with a larger size than 1 or 0 - is there really code using them as 
flexible array members?


Bernd