[Bug rtl-optimization/104372] [ARM] Unnecessary writes to stack when passing aggregate in registers

[palchak at google dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104372

--- Comment #1 from David Palchak <palchak at google dot com> ---
Demo here:
https://godbolt.org/z/Tbh5YP61h