:bug: Fix A->B->C

diff --git a/ast b/ast
index af46810bb006c0e75b4702d3ce6009188766ab85..10f8920c058a9499259a6ab2aa6982084bcbd528 160000 (submodule)
--- a/ast
+++ b/ast
@@ -1 +1 @@
-Subproject commit af46810bb006c0e75b4702d3ce6009188766ab85
+Subproject commit 10f8920c058a9499259a6ab2aa6982084bcbd528