[Bug rtl-optimization/104637] [10/11 Regression] ICE: maximum number of LRA assignment passes is achieved (30) with -Og -fno-forward-propagate -mavx since r9-5221-gd8fcab689435a29d

[vmakarov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104637

--- Comment #14 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
I've just ported the two patches to gcc-10 and gcc-11 release branches.

gcc-10 required additional work besides just cherry-picking.

The patches were successfully bootstrapped and tested on x86-64.