1 files changed, 4 insertions, 1 deletions
diff --git a/src/ir/module-utils.h b/src/ir/module-utils.h
index 0095fb407..f33d41266 100644
--- a/src/ir/module-utils.h
+++ b/src/ir/module-utils.h
@@ -405,7 +405,10 @@ inline void collectHeapTypes(Module& wasm,
                              std::unordered_map<HeapType, Index>& typeIndices) {
   struct Counts : public std::unordered_map<HeapType, size_t> {
     bool isRelevant(Type type) {
-      return !type.isBasic() && (type.isRef() || type.isRtt());
+      if (type.isRef()) {
+        return !type.getHeapType().isBasic();
+      }
+      return type.isRtt();
     }
     void note(HeapType type) { (*this)[type]++; }
     void maybeNote(Type type) {