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bpo-41117: Cleanup subtract_refs() (GH-27593)

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subtract_refs() reuses the 'op' variable rather than calling the
FROM_GC() macro twice.

Issue reported by William Pickard.
This commit is contained in:
Victor Stinner 2021-08-04 18:09:14 +02:00 committed by GitHub
parent cee67fa661
commit c34fa2bb06
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1 changed files with 3 additions and 3 deletions
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6
Modules/gcmodule.c
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@ -479,9 +479,9 @@ subtract_refs(PyGC_Head *containers)
for (; gc != containers; gc = GC_NEXT(gc)) { for (; gc != containers; gc = GC_NEXT(gc)) {
PyObject *op = FROM_GC(gc); PyObject *op = FROM_GC(gc);
traverse = Py_TYPE(op)->tp_traverse; traverse = Py_TYPE(op)->tp_traverse;
(void) traverse(FROM_GC(gc), (void) traverse(op,
(visitproc)visit_decref, (visitproc)visit_decref,
op); op);
} }
} }