[Bug sanitizer/120201] [14/15/16/17 Regression] generates a misaligned vector operation for std::memcpy with -march=znver4 since santizer doesn't allocate properly aligned stack by r6-6813-g63998a6336239d

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120201

--- Comment #12 from Drea Pinski <pinskia at gcc dot gnu.org> ---
The alignment of the load is still 8. From the type of the mem.
The lhs of the assignment should not matter here.