[runtime] support new Proxy() instead of Proxy.create and install getPrototypeOf trap

src/builtins.cc

Index: src/builtins.cc
diff --git a/src/builtins.cc b/src/builtins.cc
index 7695ccc753f731932de907b74bced1951eace638..4a5bf7331569f0157150be800b39f416d2d85e5a 100644
--- a/src/builtins.cc
+++ b/src/builtins.cc
@@ -1580,8 +1580,10 @@ BUILTIN(ReflectGetPrototypeOf) {
                               isolate->factory()->NewStringFromAsciiChecked(
                                   "Reflect.getPrototypeOf")));
   }
-
-  return *Object::GetPrototype(isolate, target);
+  Handle<Object> prototype;
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, prototype,
+                                     Object::GetPrototype(isolate, target));
+  return *prototype;
 }