[Bug fortran/98426] find_symbol in module.c traverses O(N) part of a search tree

[matthew.thompson at nasa dot gov via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98426

--- Comment #9 from Matt Thompson <matthew.thompson at nasa dot gov> ---
Jerry,

I tried your patch, but it didn't seem to help my reproducer.

Stock GCC13:

Number of Modules | Build Time
----------------- | ----------
               10 |   0.336674
               20 |    2.34525
               30 |    7.37042
               40 |    17.2896
               50 |    33.9653

GCC13 with Jerry Patch:

Number of Modules | Build Time
----------------- | ----------
               10 |   0.378347
               20 |    2.51914
               30 |    8.10597
               40 |     18.982
               50 |    37.3188