add_cselib_value_chains (dv_from_value (val));
changed_variables_stack = VEC_alloc (variable, heap, 40);
changed_values_stack = VEC_alloc (rtx, heap, 40);
add_cselib_value_chains (dv_from_value (val));
changed_variables_stack = VEC_alloc (variable, heap, 40);
changed_values_stack = VEC_alloc (rtx, heap, 40);