[Bug c++/111660] Compilation of constexpr function returning enum takes exponential time with -std=c++2a

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111660

--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
  38.25%  cc1plus  cc1plus               [.] walk_tree_1        
  34.60%  cc1plus  cc1plus               [.] cp_fold_immediate_r    
  20.08%  cc1plus  cc1plus               [.] cp_walk_subtrees