bpo-44032: Fix downcast conversion in frameobject.c (GH-26291)

pablogsal · web-flow · commit 498383c019c1 · 2021-05-21T19:15:39.000+01:00
diff --git a/Objects/frameobject.c b/Objects/frameobject.c
@@ -838,7 +838,7 @@ _PyFrame_TakeLocals(PyFrameObject *f)
 {
     assert(f->f_own_locals_memory == 0);
     assert(f->f_stackdepth == 0);
-    int size = frame_nslots(f);
+    Py_ssize_t size = frame_nslots(f);
     PyObject **copy = PyMem_Malloc(sizeof(PyObject *)*size);
     if (copy == NULL) {
         for (int i = 0; i < size; i++) {

Original file line number	Diff line number	Diff line change
`@@ -838,7 +838,7 @@ _PyFrame_TakeLocals(PyFrameObject *f)`
`838`	`838`	`{`
`839`	`839`	`assert(f->f_own_locals_memory == 0);`
`840`	`840`	`assert(f->f_stackdepth == 0);`
`841`		`- int size = frame_nslots(f);`
	`841`	`+ Py_ssize_t size = frame_nslots(f);`
`842`	`842`	`PyObject *copy = PyMem_Malloc(sizeof(PyObject )*size);`
`843`	`843`	`if (copy == NULL) {`
`844`	`844`	`for (int i = 0; i < size; i++) {`