[Bug sanitizer/120201] [13/14/15/16/17 Regression] generates a misaligned vector operation for std::memcpy with -march=znver4 since santizer doesn't allocate properly aligned stack by r6-6813-g63998a6336239d

[hjl.tools at gmail dot com via Gcc-bugs]

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

--- Comment #19 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Drea Pinski from comment #18)
> Comment on attachment 64421 [details]
> An updated patch
> 
> I still not sure this is correct.

It is wrong since DECL_USER_ALIGN is 1 bit.