[Bug rtl-optimization/80491] [7 Regression] Compiler regression for long-add case.

[vincent-gcc at vinc17 dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80491

--- Comment #17 from Vincent Lefèvre <vincent-gcc at vinc17 dot net> ---
(In reply to Jakub Jelinek from comment #12)
> Fixed on the trunk.

I tested with

gcc (Debian 20191008-1) 10.0.0 20191008 (experimental) [trunk revision 276697]

and the bug still occurs. Maybe another regression?