diff --git a/repos/tablegen b/repos/tablegen
index 568dd8a93..3e9c4822a 160000
--- a/repos/tablegen
+++ b/repos/tablegen
@@ -1 +1 @@
-Subproject commit 568dd8a937347175fd58db83d4c4cdaeb6069bd2
+Subproject commit 3e9c4822ab5cdcccf4f8aa9dcd42117f736d51d9