https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109237

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|middle-end                  |debug

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
To give an insight into how much the verifiers give:
 CFG verifier                       :  61.10 ( 11%)   3.97 ( 13%)  65.09 ( 11%)
    0  (  0%)
...
 tree SSA verifier                  :  39.90 (  7%)   0.02 (  0%)  39.93 (  7%)
    0  (  0%)
 tree STMT verifier                 : 141.76 ( 26%)   0.00 (  0%) 141.95 ( 25%)
    0  (  0%)
...
 verify RTL sharing                 :  82.20 ( 15%)   0.00 (  0%)  82.25 ( 14%)
    0  (  0%)

Which is almost due to the number of debug statements (RTL and gimple level).
The only way to reduce the cost here is reduce the number of debug statements
...

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