ceval: tighten the code of STORE_ANNOTATION

1st1 · 1st1 · commit 50c584f50bea · 2016-09-08T23:38:21.000-07:00
diff --git a/Python/ceval.c b/Python/ceval.c
@@ -1921,11 +1921,10 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag)
                 err = PyObject_SetItem(ann_dict, name, ann);
             }
             Py_DECREF(ann_dict);
+            Py_DECREF(ann);
             if (err != 0) {
-                Py_DECREF(ann);
                 goto error;
             }
-            Py_DECREF(ann);
             DISPATCH();
         }
 

Original file line number	Diff line number	Diff line change
`@@ -1921,11 +1921,10 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag)`
`1921`	`1921`	`err = PyObject_SetItem(ann_dict, name, ann);`
`1922`	`1922`	`}`
`1923`	`1923`	`Py_DECREF(ann_dict);`
	`1924`	`+ Py_DECREF(ann);`
`1924`	`1925`	`if (err != 0) {`
`1925`		`- Py_DECREF(ann);`
`1926`	`1926`	`goto error;`
`1927`	`1927`	`}`
`1928`		`- Py_DECREF(ann);`
`1929`	`1928`	`DISPATCH();`
`1930`	`1929`	`}`
`1931`	`1930`