   0  residual_call_r_r $<* fn gethostname>, R[], <CallDescr() EF=7> -> %r0
   6  -live- %r0
   6  catch_exception L1
   9  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000000174027cc8> -> %r1
  13  setfield_gc_r %r1, %r0, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  18  ref_return %r1
  20  ---
  20  L1:
  20  goto_if_exception_mismatch $<* struct object_vtable>, L2
  24  last_exc_value -> %r0
  26  inline_call_r_r <JitCode 'converted_error'>, R[%r0] -> %r0
  32  -live- %r0
  32  assert_not_none %r0
  34  -live- %r0
  34  guard_class %r0 -> %i0
  37  -live- %r0
  37  raise %r0
  39  ---
  39  L2:
  39  reraise
