   0  getfield_gc_r %r0, FieldDescr<pypy.objspace.std.dictproxyobject.W_DictProxyObject.inst_w_mapping> -> %r0
   5  inline_call_r_r <JitCode 'call_method_opt__star_0'>, R[%r0, $<* struct rpy_string>] -> %r0
  12  -live- %r0
  15  ref_return %r0
