[Bug tree-optimization/33931] New: [4.3 Regression] ICE: tree check: expected ssa_name, have struct_field_tag in is_old_name, at tree-into-ssa.c:566

["rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

./f951 -quiet -O3 lucas_distrib_spec.min.f90 -w
lucas_distrib_spec.min.f90: In function 'fft_square':
lucas_distrib_spec.min.f90:61: internal compiler error: tree check: expected
ssa_name, have struct_field_tag in is_old_name, at tree-into-ssa.c:566
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

The non-checking ICE is

lucas_distrib_spec.f90: In function 'fft_square':
lucas_distrib_spec.f90:650: internal compiler error: in mark_operand_necessary,
at tree-ssa-dce.c:242
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


-- 
           Summary: [4.3 Regression] ICE: tree check: expected ssa_name,
                    have struct_field_tag in is_old_name, at tree-into-
                    ssa.c:566
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: rguenth at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33931