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gh-110319: Assert type_version != 0 before using it (#112226)

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- Ensure that `assert(type_version != 0);` always comes *before* using `type_version`

Also:
- In cases_generator, rename `-v` to from `--verbose` to `--viable`
This commit is contained in:
Guido van Rossum 2023-11-17 20:58:13 -08:00 • committed by GitHub
parent 43b1c33204
commit eb3c94ea66
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 6 additions and 6 deletions
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4
Python/bytecodes.c
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@ -2026,8 +2026,8 @@ dummy_func(
DEOPT_IF(tstate->interp->eval_frame);
PyTypeObject *cls = Py_TYPE(owner);
DEOPT_IF(cls->tp_version_tag != type_version);
assert(type_version != 0);
DEOPT_IF(cls->tp_version_tag != type_version);
assert(Py_IS_TYPE(fget, &PyFunction_Type));
PyFunctionObject *f = (PyFunctionObject *)fget;
assert(func_version != 0);
@ -2049,8 +2049,8 @@ dummy_func(
assert((oparg & 1) == 0);
DEOPT_IF(tstate->interp->eval_frame);
PyTypeObject *cls = Py_TYPE(owner);
DEOPT_IF(cls->tp_version_tag != type_version);
assert(type_version != 0);
DEOPT_IF(cls->tp_version_tag != type_version);
assert(Py_IS_TYPE(getattribute, &PyFunction_Type));
PyFunctionObject *f = (PyFunctionObject *)getattribute;
assert(func_version != 0);

4
Python/generated_cases.c.h generated
View file

@ -2933,8 +2933,8 @@
DEOPT_IF(tstate->interp->eval_frame, LOAD_ATTR);
PyTypeObject *cls = Py_TYPE(owner);
DEOPT_IF(cls->tp_version_tag != type_version, LOAD_ATTR);
assert(type_version != 0);
DEOPT_IF(cls->tp_version_tag != type_version, LOAD_ATTR);
assert(Py_IS_TYPE(fget, &PyFunction_Type));
PyFunctionObject *f = (PyFunctionObject *)fget;
assert(func_version != 0);
@ -2964,8 +2964,8 @@
assert((oparg & 1) == 0);
DEOPT_IF(tstate->interp->eval_frame, LOAD_ATTR);
PyTypeObject *cls = Py_TYPE(owner);
DEOPT_IF(cls->tp_version_tag != type_version, LOAD_ATTR);
assert(type_version != 0);
DEOPT_IF(cls->tp_version_tag != type_version, LOAD_ATTR);
assert(Py_IS_TYPE(getattribute, &PyFunction_Type));
PyFunctionObject *f = (PyFunctionObject *)getattribute;
assert(func_version != 0);