[wasm] The exports property of a wasm instance should always exist

src/wasm/wasm-module.cc

Index: src/wasm/wasm-module.cc
diff --git a/src/wasm/wasm-module.cc b/src/wasm/wasm-module.cc
index b162704cdeb27356541d91ebd55e43d998aaf490..d4c09b394abff14e11fb466ee5760baf48144909 100644
--- a/src/wasm/wasm-module.cc
+++ b/src/wasm/wasm-module.cc
@@ -1764,7 +1764,7 @@ class WasmInstanceBuilder {
     }
 
     Handle<JSObject> exports_object = instance;
-    if (module_->export_table.size() > 0 && module_->origin == kWasmOrigin) {
+    if (module_->origin == kWasmOrigin) {
       // Create the "exports" object.
       Handle<JSFunction> object_function = Handle<JSFunction>(
           isolate_->native_context()->object_function(), isolate_);