[Bug tree-optimization/80345] [5 Regression] ICE in rewrite_use_nonlinear_expr with -O2

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80345

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P2
   Target Milestone|---                         |5.5

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
So what fixed it on the GCC 6 branch?  Can't reproduce it with my copies of
6.1, 6.2 or 6.3.