[Bug tree-optimization/118910] Promote an expression equivalence to a name equivalence in DOM

[law at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118910

--- Comment #4 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Richi -- I think that's been the plan of record for a while.   My general sense
is that most of what DOM is doing can be handled elsewhere.