rlib/test/test_rweakkeydict.py::test_rpython_prebuilt

def test_rpython_prebuilt():
        f = make_test(loop=12, prebuilt=RWeakKeyDictionary(KX, VX))
>       assert interpret(f, []) == 0
E       assert 7 == 0
E        +  where 7 = interpret(<function f at 0x000000003d6d1880>, [])

rlib/test/test_rweakkeydict.py:91: AssertionError
---------- Captured stderr call ----------
[rtyper] specializing: 100 / 288 blocks   (34%)
[rtyper] specializing: 200 / 290 blocks   (68%)
[rtyper] -=- specialized 290 blocks -=-
[rtyper] -=- specialized 4 more blocks -=-

builder: rpython-linux-aarch64 build #854*

test: rlib/test/test_rweakkeydict.py::test_rpython_prebuilt