[Bug rtl-optimization/87845] cselib_hasher::hash function does not match with cselib_hasher::equal operator

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87845

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
May I please ping this? I would like to finish the hast table sanitization
patch in this stage1.