[Bug middle-end/81445] Dynamic stack allocation not optimized into static allocation

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81445

--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> ---
Note that we already do it for VLA (aka BUILT_IN_ALLOCA_WITH_ALIGN) in CCP.