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gh-104615: don't make unsafe swaps in apply_static_swaps (#104620)

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Carl Meyer 2023-05-18 15:22:03 -06:00 • committed by GitHub
parent dcdc90d384
commit 0589c6a4d3
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14 changed files with 95 additions and 20 deletions
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4
Python/compile.c
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@ -7996,7 +7996,7 @@ finally:
}
PyObject *
_PyCompile_OptimizeCfg(PyObject *instructions, PyObject *consts)
_PyCompile_OptimizeCfg(PyObject *instructions, PyObject *consts, int nlocals)
{
PyObject *res = NULL;
PyObject *const_cache = PyDict_New();
@ -8008,7 +8008,7 @@ _PyCompile_OptimizeCfg(PyObject *instructions, PyObject *consts)
if (instructions_to_cfg(instructions, &g) < 0) {
goto error;
}
int code_flags = 0, nlocals = 0, nparams = 0, firstlineno = 1;
int code_flags = 0, nparams = 0, firstlineno = 1;
if (_PyCfg_OptimizeCodeUnit(&g, consts, const_cache, code_flags, nlocals,
nparams, firstlineno) < 0) {
goto error;