commit 34ce99f66db84cabaaee04878e30aa8850518ce5
author Yury Selivanov <yselivanov@sprymix.com> Tue Feb 18 12:49:41 2014 -0500
committer Yury Selivanov <yselivanov@sprymix.com> Tue Feb 18 12:49:41 2014 -0500
tree 3af6ed3869a6324c7a5014eef17658f9b097dca5
parent b59e4425d5476117b77db6a6ee9561f56b8a252a

Mangle __parameters in __annotations__ dict properly. Issue #20625.

Python/compile.c

diff --git a/Python/compile.c b/Python/compile.c
index a7ddc5a..57a2329 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -1533,8 +1533,14 @@
 {
     if (annotation) {
         VISIT(c, expr, annotation);
-        if (PyList_Append(names, id))
+        PyObject *mangled = _Py_Mangle(c->u->u_private, id);
+        if (!mangled)
             return -1;
+        if (PyList_Append(names, mangled) < 0) {
+            Py_DECREF(mangled);
+            return -1;
+        }
+        Py_DECREF(mangled);
     }
     return 0;
 }