[Bug tree-optimization/22586] GVN-PRE could do strength reduction

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=22586
Bug 22586 depends on bug 37242, which changed state.

Bug 37242 Summary: missed FRE opportunity because of signedness of addition
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=37242

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED