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Re: [lno] ICE in coalesce_abnormal_edges, at tree-outof-ssa.c:645
- From: Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>
- To: Richard Guenther <rguenth at tat dot physik dot uni-tuebingen dot de>
- Cc: gcc at gcc dot gnu dot org
- Date: Fri, 16 Apr 2004 22:02:05 +0200
- Subject: Re: [lno] ICE in coalesce_abnormal_edges, at tree-outof-ssa.c:645
- References: <Pine.LNX.4.53.0404161555060.8230@bellatrix.tat.physik.uni-tuebingen.de>
Hello,
> With the tramp3d-v3.cpp testcase I get an ICE with todays lno branch if
> compiling with -O2 -funroll-loops -ffast-math -march=athlon:
>
> Conflict pt_466 and pt_435 across an abnormal edge from BB17->BB19
> tramp3d-v3.cpp: In member function `void
> RefBlockController<T>::deleteStorage() [with T = FieldEngineBaseData<3,
> double, MultiPatch<GridTag, Remote<Brick> > >]':
> tramp3d-v3.cpp:10513: internal compiler error: in coalesce_abnormal_edges,
> at tree-outof-ssa.c:645
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <URL:http://gcc.gnu.org/bugs.html> for instructions.
>
> g++ (GCC) 3.5-tree-ssa-lno 20040416 (merged 20040321)
> compiler built with checking disabled.
>
> Testcase fetchable at
> http://www.tat.physik.uni-tuebingen.de/~rguenth/gcc/tramp3d-v3.cpp.gz
>
> Maybe a merge from tree-ssa would help (ICE doesn't look lno related at
> first look)
probably not; I am fairly sure it is a consequence of one of my last
patches (although I don't have an idea what precisely could go wrong).
Could you please send me a preprocessed source?
Zdenek