[Bug tree-optimization/122569] Fails to pattern match ctz/clz from DeBruijn

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122569

--- Comment #8 from ptomsich at gcc dot gnu.org ---
Submitted as
- https://gcc.gnu.org/pipermail/gcc-patches/2026-April/712665.html
- https://gcc.gnu.org/pipermail/gcc-patches/2026-April/712666.html