[Bug tree-optimization/93004] Suspicious code in tree-ssa-loop-ivopts.c

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93004

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2019-12-19
                 CC|                            |amker at gcc dot gnu.org,
                   |                            |jakub at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
In r235513 when this was added the cost has been set only conditionally in the
loop, and used unconditionally.  But then r237552 made the cost computation in
the loop unconditional, which made the subtraction before the loop useless.