https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85180

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |compile-time-hog
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2018-04-04
            Version|unknown                     |8.0.1
           Assignee|unassigned at gcc dot gnu.org      |rguenth at gcc dot 
gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
find_base_term is known to be quadratic... (there's some dups for this I bet). 
I suppose you tested trunk.

I guess since this is present for such a long time now we should simply limit
the with and/or depth of the find_base_term recursion given it's safe to
return 0.

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