When compiling the gas_dyn.f90 Polyhedron 2005 benchmark with "-O2/-O3
-fgraphite-identity", the gfortran compiler ICEs with the error...

gas_dyn.f90: In function ‘qsort’:
gas_dyn.f90:1498: error: missing definition
for SSA_NAME: S.152_183 in statement:
D.3156_132 = S.152_183 * stride.141_1;
gas_dyn.f90:1498: internal compiler error: verify_ssa failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

The compiler ICEs with a different error when using "-O1
-fgraphite-identity"...

gas_dyn.f90: In function ‘keel’:
gas_dyn.f90:435: internal compiler error: in expand_scalar_variables_expr, at
graphite.c:3594
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

The compiler doesn't ICE for "-O0 -fgraphite-identity".


-- 
           Summary: -O1/-O2/-O3 -fgraphite-identity causes ICE when
                    compiling gas_dyn.f90 Polyhedron 2005 benchmark
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: howarth at nitro dot med dot uc dot edu
 GCC build triplet: i686-apple-darwin9
  GCC host triplet: i686-apple-darwin9
GCC target triplet: i686-apple-darwin9


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38043

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