* c-decl.c (check_bitfield_type_and_width): Remove enum special
        case suppression of pedwarn.
        * system.h (ENUM_BITFIELD): Use __extension__.
        (CHAR_BITFIELD): Likewise.
cp/
        * cp-tree.h (struct lang_type_header): Remove __extension__.
testsuite/
        * gcc.dg/bitfld-1.c: Expect warnings for enum bitfields.

From-SVN: r74797