[Bug tree-optimization/48052] loop not vectorized if index is "unsigned int"

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48052
Bug 48052 depends on bug 66396, which changed state.

Bug 66396 Summary: [6 regression] FAIL: gcc.dg/graphite/run-id-pr47593.c 
execution test
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66396

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