gh-92810: Address review fixes

dolfinus · dolfinus · commit 16f39bde89f9 · 2025-08-04T13:00:12.000+03:00
diff --git a/Modules/_abc.c b/Modules/_abc.c
@@ -847,6 +847,7 @@ _abc__abc_subclasscheck_impl(PyObject *module, PyObject *self,
         _abc_data *scls_impl;
         int scls_is_abc = _get_optional_impl(state, scls, &scls_impl);
         if (scls_is_abc < 0) {
+            Py_DECREF(scls);
             goto end;
         }
         if (scls_is_abc > 0) {

Original file line number	Diff line number	Diff line change
`@@ -847,6 +847,7 @@ _abc__abc_subclasscheck_impl(PyObject module, PyObject self,`
`847`	`847`	`_abc_data *scls_impl;`
`848`	`848`	`int scls_is_abc = _get_optional_impl(state, scls, &scls_impl);`
`849`	`849`	`if (scls_is_abc < 0) {`
	`850`	`+ Py_DECREF(scls);`
`850`	`851`	`goto end;`
`851`	`852`	`}`
`852`	`853`	`if (scls_is_abc > 0) {`