[Bug tree-optimization/55044] New: Compile error in tree-ssa

["us15 at os dot inf.tu-dresden.de" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55044

             Bug #: 55044
           Summary: Compile error in tree-ssa
    Classification: Unclassified
           Product: gcc
           Version: tree-ssa
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: us15@os.inf.tu-dresden.de


gcc svn revision 192745 fails to compile here:

gcc/../libdecnumber/bid -I../libdecnumber -I../../gcc-4.8.0/gcc/../libbacktrace
   ../../gcc-4.8.0/gcc/tree-ssa-threadedge.c -o tree-ssa-threadedge.o
../../gcc-4.8.0/gcc/tree-ssa-threadedge.c:583:1: error: unused parameter 'n'
[-Werror=unused-parameter]
 cond_arg_set_in_bb (edge e, basic_block bb, int n)
 ^
cc1plus: all warnings being treated as errors
make[3]: *** [tree-ssa-threadedge.o] Error 1
make[3]: Leaving directory
`/gcc-7e5bb7de84c28d9296f5e4fd9f4a9a4a/gcc.build.lnx/gcc'
make[2]: *** [all-stage2-gcc] Error 2