   0  inline_call_ir_r <JitCode 'interp_w__W_File'>, I[$False], R[%r0] -> %r0
   8  -live- %r0, %r1, %r2
   8  inline_call_r_r <JitCode 'ObjSpace.str_or_None_w'>, R[%r1] -> %r1
  14  -live- %r0, %r1, %r2
  14  inline_call_r_r <JitCode 'ObjSpace.str_or_None_w'>, R[%r2] -> %r2
  20  -live- %r0, %r1, %r2
  20  setfield_gc_r %r0, %r1, FieldDescr<pypy.module._file.interp_file.W_File.inst_encoding>
  25  setfield_gc_r %r0, %r2, FieldDescr<pypy.module._file.interp_file.W_File.inst_errors>
  30  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
