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gh-95756: Lazily created cached co_* attrs (GH-97791)

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Ken Jin 2022-10-10 20:26:08 -07:00 • committed by GitHub
parent f871e9a7bb
commit b399115ef1
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5 changed files with 82 additions and 14 deletions
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7
Objects/frameobject.c
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@ -645,9 +645,12 @@ add_load_fast_null_checks(PyCodeObject *co)
}
i += _PyOpcode_Caches[_PyOpcode_Deopt[opcode]];
}
if (changed) {
if (changed && co->_co_cached != NULL) {
// invalidate cached co_code object
Py_CLEAR(co->_co_code);
Py_CLEAR(co->_co_cached->_co_code);
Py_CLEAR(co->_co_cached->_co_cellvars);
Py_CLEAR(co->_co_cached->_co_freevars);
Py_CLEAR(co->_co_cached->_co_varnames);
}
}