1 files changed, 2 insertions, 0 deletions
diff --git a/src/wasm.h b/src/wasm.h
index ebc7b908d..2f3f09ad5 100644
--- a/src/wasm.h
+++ b/src/wasm.h
@@ -2276,9 +2276,11 @@ public:
 
   Address initial = 0;
   Address max = kMaxSize;
+  Type indexType = Type::i32;
   Type type = Type(HeapType::func, Nullable);
 
   bool hasMax() { return max != kUnlimitedSize; }
+  bool is64() { return indexType == Type::i64; }
   void clear() {
     name = "";
     initial = 0;