strengthen condition and add assertion

benjaminp · benjaminp · commit a8a38b8e4f6a · 2013-10-19T16:14:39.000-04:00
diff --git a/Python/compile.c b/Python/compile.c
@@ -670,7 +670,8 @@ compiler_scope_qualname(struct compiler *c, identifier scope_name)
         return NULL;
 
     stack_size = PyList_GET_SIZE(c->c_stack);
-    global_scope = stack_size <= 1;
+    assert(stack_size >= 1);
+    global_scope = stack_size == 1;
     if (scope_name != NULL && !global_scope) {
         int scope;
         PyObject *mangled;
