Skip tests that make assumptions about struct layout that don't hold
        on epiphany.  These tests could be fixed by adding padded attributes,
        See:
        http://gcc.gnu.org/ml/gcc-patches/2011-08/msg00006.html
        http://gcc.gnu.org/ml/gcc-patches/2011-09/msg01513.html
        http://gcc.gnu.org/ml/gcc-patches/2011-09/msg01504.html

        * g++.dg/cpp0x/cast.C: Skip for epiphany-*-*.
        * g++.dg/cpp0x/iop.C: Likewise.
        * g++.dg/cpp0x/named_refs.C: Likewise.
        * g++.dg/cpp0x/rv1p.C: Likewise.
        * g++.dg/cpp0x/rv2p.C: Likewise.
        * g++.dg/cpp0x/rv3p.C: Likewise.
        * g++.dg/cpp0x/rv4p.C: Likewise.
        * g++.dg/cpp0x/rv5p.C: Likewise.
        * g++.dg/cpp0x/rv6p.C: Likewise.
        * g++.dg/cpp0x/rv7p.C: Likewise.
        * g++.dg/cpp0x/rv8p.C: Likewise.
        * g++.dg/ext/strncpy-chk1.C: Likewise.
        * gcc.dg/builtin-object-size-10.c: Likewise.
        * gcc.dg/builtin-object-size-11.c: Likewise.
        * gcc.dg/builtin-stringop-chk-1.c: Likewise.
        * gcc.dg/pr25805.c: Likewise.
        * gcc.c-torture/execute/builtins/memcpy-chk.x: New file.
        * gcc.c-torture/execute/builtins/memmove-chk.x: Likewise.
        * gcc.c-torture/execute/builtins/mempcpy-chk.x: Likewise.
        * gcc.c-torture/execute/builtins/memset-chk.x: Likewise.
        * gcc.c-torture/execute/builtins/snprintf-chk.x: Likewise.
        * gcc.c-torture/execute/builtins/sprintf-chk.x: Likewise.
        * gcc.c-torture/execute/builtins/stpcpy-chk.x: Likewise.
        * gcc.c-torture/execute/builtins/strcat-chk.x: Likewise.
        * gcc.c-torture/execute/builtins/strcpy-chk.x: Likewise.
        * gcc.c-torture/execute/builtins/strncat-chk.x: Likewise.
        * gcc.c-torture/execute/builtins/strncpy-chk.x: Likewise.
        * gcc.c-torture/execute/builtins/vsnprintf-chk.x: Likewise.
        * gcc.c-torture/execute/builtins/vsprintf-chk.x: Likewise.
        * gcc.c-torture/execute/zerolen-2.x: Likewise.

From-SVN: r201268