[Bug tree-optimization/94911] Failure to optimize comparisons of VLA sizes

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94911

--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> ---
gcc computes sizeof(a) as 4ul*(size_t)n, and unsigned types don't provide nice
overflow guarantees, so that complicates things.