Need the _LIBCPP_NONUNIQUE_RTTI_BIT here, too

Doesn't help though, throwing exceptions using __cxa_throw() and our
hand-crafted type_infos still doesn't work on arm64.

Change-Id: If6099e8696e6232c4b6d4bacd654d28419538e0f

bridges/source/cpp_uno/gcc3_ios_arm/except.cxx

@@ -106,6 +106,9 @@ std::type_info * createFake_si_class_type_info(
     Fake_si_class_type_info * fake
         = reinterpret_cast<Fake_si_class_type_info *>(buf);
     fake->name = name;
+#ifdef _LIBCPP_NONUNIQUE_RTTI_BIT
+    *(uintptr_t*)(&fake->name) |= _LIBCPP_NONUNIQUE_RTTI_BIT;
+#endif
     fake->base = base;
     return reinterpret_cast<std::type_info *>(
         static_cast<Fake_type_info *>(fake));