[Bug target/120895] AVX data types default alignment is not correct

[david.partridge at perdrix dot co.uk via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120895

--- Comment #4 from David C. Partridge <david.partridge at perdrix dot co.uk> 
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I was incorrect there's no problem on macOS/ARM

I'll check macOS/x64