1 files changed, 8 insertions, 0 deletions
diff --git a/src/tools/fuzzing.h b/src/tools/fuzzing.h
index 24f08dc53..f055d7f44 100644
--- a/src/tools/fuzzing.h
+++ b/src/tools/fuzzing.h
@@ -124,6 +124,12 @@ private:
   // Type => list of array types that have that type.
   std::unordered_map<Type, std::vector<HeapType>> typeArrays;
 
+  // All struct fields that are mutable.
+  std::vector<StructField> mutableStructFields;
+
+  // All arrays that are mutable.
+  std::vector<HeapType> mutableArrays;
+
   Index numAddedFunctions = 0;
 
   // RAII helper for managing the state used to create a single function.
@@ -334,7 +340,9 @@ private:
   Expression* makeRefTest(Type type);
   Expression* makeRefCast(Type type);
   Expression* makeStructGet(Type type);
+  Expression* makeStructSet(Type type);
   Expression* makeArrayGet(Type type);
+  Expression* makeArraySet(Type type);
   Expression* makeI31Get(Type type);
   Expression* makeMemoryInit();
   Expression* makeDataDrop();