update mlir submodule
diff --git a/third_party/mlir b/third_party/mlir index 3191c78..be96aca 160000 --- a/third_party/mlir +++ b/third_party/mlir
@@ -1 +1 @@ -Subproject commit 3191c78668b5f3393c4fae0c6a4971fdf7effea4 +Subproject commit be96aca40be973ef672a3239ff5a9083ed11b48f