[Bug c++/115192] [11/12/13/14/15 regression] -O3 miscompilation on x86-64 (loops with vectors and scalars) since r11-6380

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115192

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #7)
> int main()
> { 
>   const int n = 3;
>   float d[n*n];
>   float4_t a[n*n];

I'd recommend using #define n 3 or enum { n = 3 }; instead of const int n = 3;
so that the arrays aren't unnecessary VLAs.