1 files changed, 3 insertions, 0 deletions
diff --git a/src/ir/ExpressionManipulator.cpp b/src/ir/ExpressionManipulator.cpp
index e1264e96e..95fee632f 100644
--- a/src/ir/ExpressionManipulator.cpp
+++ b/src/ir/ExpressionManipulator.cpp
@@ -233,6 +233,9 @@ flexibleCopy(Expression* original, Module& wasm, CustomCopier custom) {
     Expression* visitRefFunc(RefFunc* curr) {
       return builder.makeRefFunc(curr->func);
     }
+    Expression* visitRefEq(RefEq* curr) {
+      return builder.makeRefEq(copy(curr->left), copy(curr->right));
+    }
     Expression* visitTry(Try* curr) {
       return builder.makeTry(
         copy(curr->body), copy(curr->catchBody), curr->type);