[Bug c/20625] New: gcc with -O2 produces code that generates "unaligned access exception"

["tsv at solvo dot ru" <gcc-bugzilla at gcc dot gnu dot org>]

gcc version 4.0.0 20050320 (Red Hat 4.0.0-0.35)

The code produced by this version of gcc generates unaligned access exception.
gcc 3.4.3 and 3.4.2 produces correct code

-- 
           Summary: gcc with -O2 produces code that generates "unaligned
                    access exception"
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: tsv at solvo dot ru
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: alpha-redhat-linux
  GCC host triplet: alpha-redhat-linux
GCC target triplet: alpha-redhat-linux


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20625