[Bug other/49665] New: 'defined in discarded section' link failures on cpu2006 benchmarks

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

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49665

           Summary: 'defined in discarded section' link failures on
                    cpu2006 benchmarks
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: pthaugen@gcc.gnu.org
                CC: amodra@gcc.gnu.org, bergner@gcc.gnu.org
              Host: powerpc64-linux
            Target: powerpc64-linux
             Build: powerpc64-linux


450.soplex (-O2) and 471.omnetpp fail to link in 64-bit mode with the same
error.

450.soplex:

`soplex::SPxBasis::~SPxBasis()' referenced in section
`.data.rel.ro._ZTVN6soplex8SPxBasisE[vtable for soplex::SPxBasis]' of
spxbasis.o: defined in discarded section `.group' of spxbasis.o
`soplex::SPxLP::~SPxLP()' referenced in section
`.data.rel.ro._ZTVN6soplex5SPxLPE[vtable for soplex::SPxLP]' of spxlp.o:
defined in discarded section `.group' of spxlp.o
`soplex::LPRowSet::~LPRowSet()' referenced in section `.text' of spxlpfread.o:
defined in discarded section `.group' of spxlpfread.o
`soplex::LPRowSet::~LPRowSet()' referenced in section `.text' of spxlpfread.o:
defined in discarded section `.group' of spxlpfread.o


471.omnetpp:

`cEqdHistogramBase::~cEqdHistogramBase()' referenced in section
`.data.rel.ro._ZTV17cEqdHistogramBase[vtable for cEqdHistogramBase]' of
libs/sim/std/netpack.o: defined in discarded section `.group' of
libs/sim/std/netpack.o