diff --git a/mlir/lib/Transforms/MaxSSA.cpp b/mlir/lib/Transforms/MaxSSA.cpp
--- a/mlir/lib/Transforms/MaxSSA.cpp
+++ b/mlir/lib/Transforms/MaxSSA.cpp
@@ -187,4 +187,5 @@
 namespace mlir {
 std::unique_ptr<mlir::Pass> createMaxSSAFormPass() {
   return std::make_unique<MaxSSAFormPass>();
+}
 } // namespace mlir