   0  residual_call_r_v $<* fn ll_os.ll_os_chroot>, R[%r0], <CallDescr(r) EF=7>
   6  -live- %r0
   6  catch_exception L1
   9  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
  11  ---
  11  L1:
  11  goto_if_exception_mismatch $<* struct object_vtable>, L2
  15  last_exc_value -> %r1
  17  -live- %r0, %r1
  17  goto_if_not_ptr_iszero %r0, L3
  21  inline_call_r_r <JitCode 'wrap_oserror2__w_OSError'>, R[%r1, $<* struct pypy.interpreter.baseobjspace.W_Root>, $<* struct rpy_string>, $<* struct pypy.objspace.std.typeobject.W_TypeObject>] -> %r0
  30  -live- %r0
  30  L4:
  30  -live- %r0
  30  guard_class %r0 -> %i0
  33  -live- %r0
  33  raise %r0
  35  ---
  35  L3:
  35  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x3fff5b593550> -> %r2
  39  setfield_gc_r %r2, %r0, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  44  inline_call_r_r <JitCode 'wrap_oserror2__w_OSError'>, R[%r1, %r2, $<* struct rpy_string>, $<* struct pypy.objspace.std.typeobject.W_TypeObject>] -> %r0
  53  -live- %r0
  53  goto L4
  56  ---
  56  L2:
  56  reraise
