libstdc++-v3:
        * testsuite/20_util/shared_ptr/creation/58594.cc (dg-options):
        Add -frtti.
        * testsuite/20_util/typeindex/comparison_operators.cc (dg-options):
        Likewise.
        * testsuite/20_util/typeindex/name.cc (dg-options): Likewise.
        * testsuite/23_containers/array/requirements/non_default_constructible.cc (dg-options):
        Likewise.