test_list.ListTest.test_no_memory fails under tracerefs #130926
Description
Bug report
Bug description:
After gh-130811, test_list.ListTest.test_no_memory fails when CPython is configured with --with-trace-refs, because memory allocation fails in _PyRefchain_Trace and an unexpected error is produced:
======================================================================
FAIL: test_no_memory (test.test_list.ListTest.test_no_memory)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/home/encukou/dev/cpython/Lib/test/test_list.py", line 328, in test_no_memory
self.assertIn("MemoryError", err.decode("utf-8"))
~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: 'MemoryError' not found in 'Fatal Python error: _PyRefchain_Trace: _Py_hashtable_set() memory allocation failed\nPython runtime state: initialized\n\nCurrent thread 0x00007ff7cc547740 (most recent call first):\n File "<string>", line 7 in <module>\n\nExtension modules: _testcapi (total: 1)\n'
----------------------------------------------------------------------
CPython versions tested on:
CPython main branch
Operating systems tested on:
Linux