   0  residual_call_r_r $<* fn getcwd>, R[], <CallDescr() EF=7> -> %r0
   6  -live- %r0
   9  catch_exception L1
  12  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000002aa8c4dd168> -> %r1
  16  setfield_gc_r %r1, %r0, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  21  ref_return %r1
  23  ---
  23  L1:
  23  goto_if_exception_mismatch $<* struct object_vtable>, L2
  27  last_exc_value -> %r0
  29  inline_call_r_r <JitCode 'wrap_oserror2__None'>, R[%r0, $<* struct pypy.interpreter.baseobjspace.W_Root>] -> %r0
  36  -live- %r0
  39  assert_not_none %r0
  41  -live- %r0
  44  guard_class %r0 -> %i0
  47  -live- %r0
  50  raise %r0
  52  ---
  52  L2:
  52  reraise
