[Bug middle-end/109395] -Wvla-larger-than has no effect when compiling without optimizations

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109395

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Jakub Łukasiewicz from comment #2)
> Passing `-ftree-vrp` doesn't activate it either

Because of another part of the documentation:
https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html#Optimize-Options

Most optimizations are completely disabled at -O0 or if an -O level is not set
on the command line, even if individual optimization flags are specified.
Similarly, -Og suppresses many optimization passes.