[Bug rtl-optimization/56181] [4.8 Regression] ICE in verify_loop_structure, at cfgloop.c:1581 with -ftracer

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56181

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

           What    |Removed                     |Added
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  Attachment #29368|0                           |1
        is obsolete|                            |

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> 2013-02-06 14:31:52 UTC ---
Created attachment 29369
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29369
updated patch

This works better.  Probably flow_loops_find should not handle loop removal
though, and the IRA use is plain ugly (but it was before).