gh-101765: unicodeobject: use Py_XDECREF correctly (GH-102283)

miss-islington · JelleZijlstra · web-flow · commit 4cc363611caa · 2023-02-26T15:09:43.000-08:00
(cherry picked from commit 8d0f09b) Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
@@ -16081,7 +16081,7 @@ unicodeiter_reduce(unicodeiterobject *it, PyObject *Py_UNUSED(ignored))
     } else {
         PyObject *u = (PyObject *)_PyUnicode_New(0);
         if (u == NULL) {
-            Py_DECREF(iter);
+            Py_XDECREF(iter);
             return NULL;
         }
         return Py_BuildValue("N(N)", iter, u);

Original file line number	Diff line number	Diff line change
`@@ -16081,7 +16081,7 @@ unicodeiter_reduce(unicodeiterobject it, PyObject Py_UNUSED(ignored))`
`16081`	`16081`	`} else {`
`16082`	`16082`	`PyObject u = (PyObject )_PyUnicode_New(0);`
`16083`	`16083`	`if (u == NULL) {`
`16084`		`- Py_DECREF(iter);`
	`16084`	`+ Py_XDECREF(iter);`
`16085`	`16085`	`return NULL;`
`16086`	`16086`	`}`
`16087`	`16087`	`return Py_BuildValue("N(N)", iter, u);`