src: fix Get() usage in async_wrap.cc

cjihrig · BridgeAR · commit 9437aaad2637 · 2018-11-13T23:37:29.000+01:00
PR-URL: #24060 Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
diff --git a/src/async_wrap.cc b/src/async_wrap.cc
@@ -359,8 +359,13 @@ void AsyncWrap::WeakCallback(const v8::WeakCallbackInfo<DestroyParam>& info) {
 
   std::unique_ptr<DestroyParam> p{info.GetParameter()};
   Local<Object> prop_bag = PersistentToLocal(info.GetIsolate(), p->propBag);
+  Local<Value> val;
+
+  if (!prop_bag->Get(p->env->context(), p->env->destroyed_string())
+        .ToLocal(&val)) {
+    return;
+  }
 
-  Local<Value> val = prop_bag->Get(p->env->destroyed_string());
   if (val->IsFalse()) {
     AsyncWrap::EmitDestroy(p->env, p->asyncId);
   }
