+I_FLAG(scalar_replacement , 25, ON)
+
+/** Load and Store have only Null exceptions. */
+I_FLAG(ldst_only_null_ptr_exceptions , 26, ON)
+
+/** Sel-based Null-pointer check elimination. */
+I_FLAG(sel_based_null_check_elim , 27, OFF)
+
+/** Automatically create Sync node during construction. */
+I_FLAG(auto_create_sync , 28, OFF)
+
+/** Closed world assumption. */
+I_FLAG(closed_world , 31, OFF)