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[3.14] gh-134557: Suppress immortalization in _PyCode_GetScriptXIData under free-threading (gh134738)

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Disable immortalization around Py_CompileString*().

The same approach as 332356b that fixed the refleaks in compile() and eval().

E: 09e72cf can pass test_capi, test_sys and test__interpchannels with this patch for me.

(cherry picked from commit c60f39ada6, AKA gh-134686)

Co-authored-by: neonene <53406459+neonene@users.noreply.github.com>
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Miss Islington (bot) 2025-05-26 21:14:58 +02:00 • committed by GitHub
parent bc3d892113
commit c6cc28299e
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7
Python/crossinterp.c
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@ -908,8 +908,15 @@ get_script_xidata(PyThreadState *tstate, PyObject *obj, int pure,
}
goto error;
}
#ifdef Py_GIL_DISABLED
// Don't immortalize code constants to avoid memory leaks.
((_PyThreadStateImpl *)tstate)->suppress_co_const_immortalization++;
#endif
code = Py_CompileStringExFlags(
script, filename, Py_file_input, &cf, optimize);
#ifdef Py_GIL_DISABLED
((_PyThreadStateImpl *)tstate)->suppress_co_const_immortalization--;
#endif
Py_XDECREF(ref);
if (code == NULL) {
goto error;