:bug: Fix loop idx copies

diff --git a/ast b/ast
index e0678a7f590697942633fcb3cc6d401fe458eb74..60ff88376736f724ffd76cbfe92f30e15ea0db54 160000 (submodule)
--- a/ast
+++ b/ast
@@ -1 +1 @@
-Subproject commit e0678a7f590697942633fcb3cc6d401fe458eb74
+Subproject commit 60ff88376736f724ffd76cbfe92f30e15ea0db54