Use _PyLong_FromSTwoDigits not PyLong_FromLong in long_add.

markshannon · markshannon · commit ed2a4303ddcf · 2021-08-20T15:44:12.000+01:00
diff --git a/Objects/longobject.c b/Objects/longobject.c
@@ -3084,7 +3084,7 @@ long_add(PyLongObject *a, PyLongObject *b)
     CHECK_BINOP(a, b);
 
     if (IS_MEDIUM_VALUE(a) && IS_MEDIUM_VALUE(b)) {
-        return PyLong_FromLong(medium_value(a) + medium_value(b));
+        return _PyLong_FromSTwoDigits(medium_value(a) + medium_value(b));
     }
     if (Py_SIZE(a) < 0) {
         if (Py_SIZE(b) < 0) {

Original file line number	Diff line number	Diff line change
`@@ -3084,7 +3084,7 @@ long_add(PyLongObject a, PyLongObject b)`
`3084`	`3084`	`CHECK_BINOP(a, b);`
`3085`	`3085`
`3086`	`3086`	`if (IS_MEDIUM_VALUE(a) && IS_MEDIUM_VALUE(b)) {`
`3087`		`- return PyLong_FromLong(medium_value(a) + medium_value(b));`
	`3087`	`+ return _PyLong_FromSTwoDigits(medium_value(a) + medium_value(b));`
`3088`	`3088`	`}`
`3089`	`3089`	`if (Py_SIZE(a) < 0) {`
`3090`	`3090`	`if (Py_SIZE(b) < 0) {`