[Bug c/57821] 'array is too large' error is missing when sizetype overflows

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57821

--- Comment #2 from Paolo Carlini <paolo.carlini at oracle dot com> ---
Wondering if c++/57793 has also something to do with this (sorry if I'm saying
something stupid, I didn't really study it in any detail)