[Bug middle-end/47594] New: gfortran.dg/vect/vect-5.f90 execution test fails when compiled with -O2 -fgraphite-identity at -m64

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47594

           Summary: gfortran.dg/vect/vect-5.f90 execution test fails when
                    compiled with -O2 -fgraphite-identity at -m64
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: howarth@nitro.med.uc.edu


On x86_64-apple-darwin10, the gfortran.dg/vect/vect-5.f90 execution test fails
when compiled at -O2 -fgraphite-identity...

/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/../../
-B/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/x86_64-apple-darwin10.7.0/i386/libgfortran/
/sw/src/fink.build/gcc46-4.6.0-1000/gcc-4.6-20110202/gcc/testsuite/gfortran.dg/vect/vect-5.f90
-O -O2 -ftree-vectorize -fno-vect-cost-model -ftree-vectorizer-verbose=4
-fdump-tree-vect-stats -msse2
-B/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/x86_64-apple-darwin10.7.0/./libgfortran/.libs
-L/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/x86_64-apple-darwin10.7.0/./libgfortran/.libs
-L/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/x86_64-apple-darwin10.7.0/./libgfortran/.libs
-B/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/x86_64-apple-darwin10.7.0/./libquadmath/.libs
-L/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/x86_64-apple-darwin10.7.0/./libquadmath/.libs
-L/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/x86_64-apple-darwin10.7.0/./libquadmath/.libs
-L/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/x86_64-apple-darwin10.7.0/./libiberty
-g --save-temps -fgraphite-identity -lm -m64 -o ./vect-5.exe

as...

Program received signal SIGBUS, Bus error.
0x0000000100000d6a in foo (n=<value optimized out>, m=<value optimized out>) at
/sw/src/fink.build/gcc46-4.6.0-1000/gcc-4.6-20110202/gcc/testsuite/gfortran.dg/vect/vect-5.f90:15
15                A(J,2) = B(J)
(gdb) bt
#0  0x0000000100000d6a in foo (n=<value optimized out>, m=<value optimized
out>) at
/sw/src/fink.build/gcc46-4.6.0-1000/gcc-4.6-20110202/gcc/testsuite/gfortran.dg/vect/vect-5.f90:15