[Bug tree-optimization/51000] New: [4.7 Regression] ICE: in vect_get_store_cost, at tree-vect-stmts.c:923 on powerpc-apple-darwin9

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51000

             Bug #: 51000
           Summary: [4.7 Regression] ICE: in vect_get_store_cost, at
                    tree-vect-stmts.c:923 on powerpc-apple-darwin9
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: dominiq@lps.ens.fr
                CC: ira@gcc.gnu.org
              Host: powerpc-apple-darwin9
            Target: powerpc-apple-darwin9
             Build: powerpc-apple-darwin9


Between revisions 180310 (OK) and 180703 the following tests

gfortran.dg/alloc_comp_assign_2.f90
gfortran.dg/maxloc_bounds_5.f90
gfortran.fortran-torture/execute/where_1.f90
gfortran.fortran-torture/execute/where_6.f90

have started to fail with

[karma] f90/bug% gfc -O3
/opt/gcc/work/gcc/testsuite/gfortran.dg/alloc_comp_assign_2.f90
/opt/gcc/work/gcc/testsuite/gfortran.dg/alloc_comp_assign_2.f90: In function
'MAIN__':
/opt/gcc/work/gcc/testsuite/gfortran.dg/alloc_comp_assign_2.f90:7:0: internal
compiler error: in vect_get_store_cost, at tree-vect-stmts.c:923