[Bug c/104763] [12.0] Generate wrong assembly code

[570070308 at qq dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104763

--- Comment #1 from 。 <570070308 at qq dot com> ---
change `*i=0x0700070007000700;` to `*(volatile size_t *)i=0x0700070007000700;`
will fix it.
This is my mistake