[Bug tree-optimization/108368] [13 Regression] Dead Code Elimination Regression at -O3 since r13-1759-gdbb093f4f15

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108368

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |13.0

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
range_from_dom looks expensive as well and the bb vs. prev_bb in walking
immediate dominators is quite confusing (not to speak about resolve_dom ...).