[Bug fortran/39039] New: segfault with common block and "-O1 -ftree-vectorize -msse2"

[billingd at gcc dot gnu dot org]

The following program segfaults when compiled with "-O1 -ftree-vectorize
-msse2".  Compiler is gfortran trunk revision 143693 (4.4.0 20090127).

Also fails with higher levels of optimization but requires both
-ftree-vectorize and -msse2.


program common
   real (kind=8) b(5)
   common /com1/b
   b = 100
end

The case is reduced from gfortran.fortran-torture/execute/common.f90


-- 
           Summary: segfault with  common block and "-O1 -ftree-vectorize -
                    msse2"
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: billingd at gcc dot gnu dot org
 GCC build triplet: i686-pc-cygwin
  GCC host triplet: i686-pc-cygwin
GCC target triplet: i686-pc-cygwin


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39039