   0  getfield_gc_r %r0, FieldDescr<pypy.objspace.std.mapdict.Object.inst_map> -> %r2
   5  -live- %r0, %r1, %r2
   5  ref_guard_value %r2
   7  inline_call_ir_r <JitCode 'AbstractAttribute.read'>, I[$0], R[%r2, %r0, %r1] -> %r0
  17  -live- %r0
  17  ref_return %r0
