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

[wilco at gcc dot gnu.org]

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

--- Comment #3 from Wilco <wilco at gcc dot gnu.org> ---
There is also something buggy with the way alloca aligns, it always allocates
16 bytes too much...