[Bug tree-optimization/128605] [14/15/16 Regression] wrong code: niter bit count idioms (clz/ctz/popcount) take the start value from the wrong header PHI

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128605

ktkachov at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |14.3.0, 15.2.0, 16.2.0
      Known to work|                            |12.5.0, 17.0
   Target Milestone|---                         |14.5