1 files changed, 4 insertions, 0 deletions
diff --git a/src/tools/fuzzing.h b/src/tools/fuzzing.h
index c67d6c902..ebc77ab43 100644
--- a/src/tools/fuzzing.h
+++ b/src/tools/fuzzing.h
@@ -318,6 +318,7 @@ private:
   Expression* makeRefIsNull(Type type);
   Expression* makeRefEq(Type type);
   Expression* makeRefTest(Type type);
+  Expression* makeRefCast(Type type);
   Expression* makeI31New(Type type);
   Expression* makeI31Get(Type type);
   Expression* makeMemoryInit();
@@ -340,6 +341,9 @@ private:
   Nullability getSubType(Nullability nullability);
   HeapType getSubType(HeapType type);
   Type getSubType(Type type);
+  Nullability getSuperType(Nullability nullability);
+  HeapType getSuperType(HeapType type);
+  Type getSuperType(Type type);
 
   // Utilities
   Name getTargetName(Expression* target);