   0  residual_call_ir_i $<* fn ccall_fchown__Signed_Signed_Signed>, I[%i0, %i1, %i2], R[], <CallDescr(iii) EF=7> -> %i0
  10  -live- %i0
  10  inline_call_ir_i <JitCode 'handle_posix_error__fchown'>, I[%i0], R[$<* struct rpy_string>] -> %i0
  18  -live-
  18  void_return
