[wasm] Introduce instance types for WebAssembly.* objects.

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index 6c9814a496bd1c7b7dc0d8420f60ffa9156b4905..18759efdca75df5019240fe99826429b1e73a08d 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -3689,6 +3689,10 @@ AllocationResult Heap::CopyJSObject(JSObject* source, AllocationSite* site) {
         map->instance_type() == JS_ERROR_TYPE ||
         map->instance_type() == JS_ARRAY_TYPE ||
         map->instance_type() == JS_API_OBJECT_TYPE ||
+        map->instance_type() == WASM_INSTANCE_TYPE ||
+        map->instance_type() == WASM_MEMORY_TYPE ||
+        map->instance_type() == WASM_MODULE_TYPE ||
+        map->instance_type() == WASM_TABLE_TYPE ||
         map->instance_type() == JS_SPECIAL_API_OBJECT_TYPE);
 
   int object_size = map->instance_size();