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[Bug rtl-optimization/55414] New: spec2006 416.gamess compilation fails on LRA


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55414

             Bug #: 55414
           Summary: spec2006 416.gamess compilation fails on LRA
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: evstupac@gmail.com


416.gamess fails to compile by trunk gfortran with options: â-m32
-fschedule-insns --param sched-pressure-algorithm=1 -fsched-pressure -O2
-mfpmath=sse -ffast-math -march=corei7-avxâ:

internal compiler error: in insn_rhs_dead_pseudo_p, at lra-constraints.c:3242
       END
^
0x87d243 insn_rhs_dead_pseudo_p
        /export/users/mstester/stability/svn/trunk/gcc/lra-constraints.c:3242
0x88377a init_insn_rhs_dead_pseudo_p
        /export/users/mstester/stability/svn/trunk/gcc/lra-constraints.c:3258
0x88377a lra_constraints(bool)
        /export/users/mstester/stability/svn/trunk/gcc/lra-constraints.c:3323
0x8769ae lra(_IO_FILE*)
        /export/users/mstester/stability/svn/trunk/gcc/lra.c:2269
0x83e8a8 do_reload
        /export/users/mstester/stability/svn/trunk/gcc/ira.c:4624
0x83e8a8 rest_of_handle_reload
        /export/users/mstester/stability/svn/trunk/gcc/ira.c:4737
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.

Test passes without avx (-march=corei7).


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