[Bug target/101922] mips: illegal instruction at -O3 with -mmsa -mloongson-mmi

[xry111 at mengyan1223 dot wang via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101922

--- Comment #1 from Xi Ruoyao <xry111 at mengyan1223 dot wang> ---
Technically the testcase above invokes UB, but this is reduced from a file in
openssl-1.1.1k.