[Bug tree-optimization/127853] x86 (non BMI): .CTZ(x, N) returns 32 when bsr insn result could be undefined

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127853

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |ASSIGNED
         Resolution|FIXED                       |---

--- Comment #12 from Richard Biener <rguenth at gcc dot gnu.org> ---
Re-opening, wrong-code issues should be backported, this is for sure a
regression as well?