[Bug middle-end/80539] [5/6/7/8 Regression] gcc ICE at -O2 and above on valid code on x86_64-linux-gnu in "chrec_fold_plus_poly_poly"

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80539

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P2
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2017-04-27
          Component|tree-optimization           |middle-end
      Known to work|                            |4.8.5
   Target Milestone|---                         |5.5
            Summary|gcc ICE at -O2 and above on |[5/6/7/8 Regression] gcc
                   |valid code on               |ICE at -O2 and above on
                   |x86_64-linux-gnu in         |valid code on
                   |"chrec_fold_plus_poly_poly" |x86_64-linux-gnu in
                   |                            |"chrec_fold_plus_poly_poly"
     Ever confirmed|0                           |1
      Known to fail|                            |4.9.4, 5.4.1, 6.3.1, 7.0.1,
                   |                            |8.0

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.  Works with GCC 4.8.  Mine.