   0  getfield_gc_r_pure %r0, FieldDescr<rpython.rlib.buffer.StringBuffer.inst_value> -> %r0
   5  residual_call_r_i $<* fn get_raw_address_of_string>, R[%r0], <CallDescr(r) EF=5> -> %i0
  12  -live- %i0
  15  int_return %i0
