[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 196fb292b9b917571818f561aea0f61afd9c975a..1d94414eb37637333fd2779dda78ee84cc652fbf 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -3641,6 +3641,10 @@ 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();