[Bug middle-end/47019] [4.6 Regression] ICE: in rename_uses, at sese.c:535 with -O -ftree-pre -fgraphite-identity -fno-tree-copy-prop

[spop at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47019

--- Comment #2 from Sebastian Pop <spop at gcc dot gnu.org> 2010-12-22 17:07:27 UTC ---
The SSA is in loop-closed form, the two loops are nested:

loop_1
  D_60 = ...
  loop_2
    ... = D_60
  end_2
end_1

The problem is elsewhere.  I'm still investigating.