* testsuite/18_support/type_info/hash_code.cc (dg-options): Add -frtti.
        * testsuite/20_util/shared_ptr/cons/unique_ptr_deleter_ref_2.cc
        (dg-options): Likewise.
        * testsuite/20_util/shared_ptr/creation/private.cc (dg-options):
        Likewise.
        * testsuite/20_util/typeindex/hash.cc (dg-options): Likewise.
        * testsuite/20_util/typeindex/hash_code.cc (dg-options): Likewise.
        * testsuite/experimental/any/observers/type.cc (dg-options): Likewise.