[Bug tree-optimization/48571] [4.5/4.6/4.7 Regression] Missed data-dependence for (bogus?) reconstructed array-refs

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48571

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-04-12 13:11:56 UTC ---
Re-constructing array-refs (and thus an index space) is invalid.  Which means
the C frontend should better change its behavior and not lower all array
accesses to pointer arithmetic and dereferences.