[Bug target/91769] [9/10 regression] wrong code with -O2 on MIPS

[aurelien at aurel32 dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91769

--- Comment #5 from Aurelien Jarno <aurelien at aurel32 dot net> ---
(In reply to Dragan Mladjenovic from comment #4)
> Hi,
> 
> This fix is propbably nothing more than:

Thanks for the fix. I have just tried it and I confirm it fixes the issue. Note
that when backporting it to the 9 branch, it might be a good idea to also
backport r273174.