[Bug rtl-optimization/80818] LRA clobbers live hard reg clobbered during rematerialization

[vmakarov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80818

--- Comment #11 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
I am still working on this PR.  I hope to fix it on this week or on the next
one (the patch will need a lot of testing).