1 files changed, 2 insertions, 1 deletions
diff --git a/src/passes/MergeLocals.cpp b/src/passes/MergeLocals.cpp
index fe9f4bb86..e8d42e8dd 100644
--- a/src/passes/MergeLocals.cpp
+++ b/src/passes/MergeLocals.cpp
@@ -96,8 +96,9 @@ struct MergeLocals
   }
 
   void optimizeCopies() {
-    if (copies.empty())
+    if (copies.empty()) {
       return;
+    }
     // compute all dependencies
     LocalGraph preGraph(getFunction());
     preGraph.computeInfluences();