   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- %i0, %i1, %r0
  11  residual_call_r_r $<* fn get_nonmovingbuffer_final_null>, R[%r0], <CallDescr(r) EF=5> -> %r1
  18  -live- %i0, %i1, %r0, %r1
  18  getfield_gc_i_pure %r1, FieldDescr<tuple2.item0> -> %i2
  23  getfield_gc_i_pure %r1, FieldDescr<tuple2.item1> -> %i3
  28  residual_call_ir_i $<* fn ccall_mknod__arrayPtr_Signed_Signed>, I[%i2, %i0, %i1], R[], <CallDescr(iii) EF=7> -> %i0
  38  -live- %i0, %i2, %i3, %r0
  38  residual_call_ir_v $<* fn free_nonmovingbuffer>, I[%i2, %i3], R[%r0], <CallDescr(rii) EF=2>
  47  inline_call_ir_i <JitCode 'handle_posix_error__mknod'>, I[%i0], R[$<* struct rpy_string>] -> %i0
  55  -live-
  55  void_return
