[Bug fortran/46518] New: internal compiler error: in vinsn_detach, at sel-sched-ir.c:1271

["howarth at nitro dot med.uc.edu" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46518

           Summary: internal compiler error: in vinsn_detach, at
                    sel-sched-ir.c:1271
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: howarth@nitro.med.uc.edu


When using the --enable-build-with-cxx bootstrap on x86_64-apple-darwin10 with
the
patches...

http://gcc.gnu.org/ml/gcc-patches/2010-11/msg01323.html
http://gcc.gnu.org/ml/gcc-patches/2010-11/msg01803.html

a new ICE appears at -m32 for the gfortran.dg/pr42294.f  -O testcase. This
failure doesn't occur with a normal bootstrap and with the
--enable-build-with-cxx bootstrap is of the form...

Executing on host:
/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/testsuite/gfortran/../../gfortran
-B/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/testsuite/gfortran/../../
-L/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/x86_64-apple-darwin10.5.0/i386/libgfortran
/sw/src/fink.build/gcc46-4.6.0-1000/gcc-4.6-20101116/gcc/testsuite/gfortran.dg/pr42294.f
  -O  -O2 -fselective-scheduling2 -fsel-sched-pipelining -funroll-all-loops -S 
-m32 -o pr42294.s    (timeout = 300)
/sw/src/fink.build/gcc46-4.6.0-1000/gcc-4.6-20101116/gcc/testsuite/gfortran.dg/pr42294.f:
In function 'orien':
/sw/src/fink.build/gcc46-4.6.0-1000/gcc-4.6-20101116/gcc/testsuite/gfortran.dg/pr42294.f:39:0:
internal compiler error: in vinsn_detach, at sel-sched-ir.c:1271