[Bug c++/71330] [6/7 Regression] Compile time regression

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71330

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
perf reports (release checking and optimized compiler):

Samples: 6M of event 'cycles', Event count (approx.): 5948147232538             
 35.46%  cc1plus  cc1plus            [.] walk_tree_1(tree_node**, tree_node*
(*)
 33.17%  cc1plus  cc1plus            [.] cp_fold(tree_node*)
 21.46%  cc1plus  cc1plus            [.] cp_walk_subtrees(tree_node**, int*,
tre
  9.66%  cc1plus  cc1plus            [.] cp_fold_r(tree_node**, int*, void*)

can't make callgraph support work so not other useful information.