   0  getfield_gc_r %r0, FieldDescr<pypy.module.posix.interp_posix.FileEncoder.inst_w_obj> -> %r0
   5  inline_call_r_r <JitCode 'fsencode_w'>, R[%r0] -> %r0
  11  -live- %r0
  11  residual_call_r_r $<* fn get_nonmovingbuffer_ll_final_null>, R[%r0], <CallDescr(r) EF=5> -> %r0
  18  -live- %r0
  18  getfield_gc_i_pure %r0, FieldDescr<tuple3.item0> -> %i0
  23  getfield_gc_r_pure %r0, FieldDescr<tuple3.item1> -> %r1
  28  getfield_gc_i_pure %r0, FieldDescr<tuple3.item2> -> %i1
  33  residual_call_ir_i $<* fn ccall_chdir__arrayPtr>, I[%i0], R[], <CallDescr(i) EF=7> -> %i2
  41  -live- %i0, %i1, %i2, %r1
  41  residual_call_ir_v $<* fn free_nonmovingbuffer_ll>, I[%i0, %i1], R[%r1], <CallDescr(iri) EF=2>
  50  inline_call_ir_i <JitCode 'handle_posix_error__chdir'>, I[%i2], R[$<* struct rpy_string>] -> %i0
  58  -live-
  58  void_return
