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[Free Threading] test_builtin.ImmortalTests fail on i686 (32-bit)

befeleme

Bug report

Bug description:

In Fedora Linux, when building 3.14.0a3 on i686 architecture and freethreading-debug build, test_tuple_respect_immortality, test_list_repeat_respect_immortality and test_immortals fail.
This is not happening on x86_64, aarch64. We don't know about the other arches yet.

FAIL: test_tuple_repeat_respect_immortality (test.test_builtin.ImmortalTests.test_tuple_repeat_respect_immortality) [256]
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/builddir/build/BUILD/python3.14-3.14.0_a3-build/Python-3.14.0a3/Lib/test/test_builtin.py", line 2702, in assert_immortal
    self.assertEqual(sys.getrefcount(immortal), self.IMMORTAL_REFCOUNT)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: 1342177280 != 1879048192

FAIL: test_immortals (test.test_builtin.ImmortalTests.test_immortals) [None]
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/builddir/build/BUILD/Python-3.14.0a3/Lib/test/test_builtin.py", line 2702, in assert_immortal
    self.assertEqual(sys.getrefcount(immortal), self.IMMORTAL_REFCOUNT)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: 1342177280 != 1879048192

CPython versions tested on:

3.14

Operating systems tested on:

Linux

Linked PRs