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[2.7] bpo-33677: Fix signatures of tp_clear handlers for AST and deque. (GH-7196). #7277

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Merged
merged 1 commit into from
May 31, 2018
Merged

[2.7] bpo-33677: Fix signatures of tp_clear handlers for AST and deque. (GH-7196). #7277

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7 changes: 4 additions & 3 deletions Modules/_collectionsmodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -639,7 +639,7 @@ deque_remove(dequeobject *deque, PyObject *value)
PyDoc_STRVAR(remove_doc,
"D.remove(value) -- remove first occurrence of value.");

static void
static int
deque_clear(dequeobject *deque)
{
block *b;
Expand All @@ -650,7 +650,7 @@ deque_clear(dequeobject *deque)
PyObject *item;

if (deque->len == 0)
return;
return 0;

/* During the process of clearing a deque, decrefs can cause the
deque to mutate. To avoid fatal confusion, we have to make the
Expand Down Expand Up @@ -701,14 +701,15 @@ deque_clear(dequeobject *deque)
}
assert(leftblock->rightlink == NULL);
freeblock(leftblock);
return;
return 0;

alternate_method:
while (deque->len) {
item = deque_pop(deque, NULL);
assert (item != NULL);
Py_DECREF(item);
}
return 0;
}

static PyObject *
Expand Down