[builtins] Mark ObjectConstructor eager

TBR=yangguo@chromium.org,verwaest@chromium.org

Bug: v8:6624,v8:6787
Change-Id: I6fbad17cb2e9d6238b84fc96a518e545a7156769
Reviewed-on: https://chromium-review.googlesource.com/655168
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47891}

src/bootstrapper.cc

@@ -696,7 +696,7 @@ void Genesis::CreateObjectFunction(Handle<JSFunction> empty_function) {
       factory->null_value(), Builtins::kObjectConstructor);
   object_fun->shared()->set_length(1);
   object_fun->shared()->DontAdaptArguments();
-  object_fun->shared()->set_construct_stub(
+  object_fun->shared()->SetConstructStub(
       *BUILTIN_CODE(isolate_, ObjectConstructor_ConstructStub));
   native_context()->set_object_function(*object_fun);
 
@@ -1240,7 +1240,7 @@ static void InstallError(Isolate* isolate, Handle<JSObject> global,
       factory->the_hole_value(), Builtins::kErrorConstructor, DONT_ENUM);
   error_fun->shared()->set_instance_class_name(*factory->Error_string());
   error_fun->shared()->DontAdaptArguments();
-  error_fun->shared()->set_construct_stub(
+  error_fun->shared()->SetConstructStub(
       *BUILTIN_CODE(isolate, ErrorConstructor));
   error_fun->shared()->set_length(1);
 

src/builtins/builtins.cc

@@ -257,6 +257,7 @@ bool Builtins::IsLazy(int index) {
     case kInterpreterEnterBytecodeAdvance:
     case kInterpreterEnterBytecodeDispatch:
     case kInterpreterEntryTrampoline:
+    case kObjectConstructor_ConstructStub:    // https://crbug.com/v8/6787.
     case kProxyConstructor_ConstructStub:     // https://crbug.com/v8/6787.
     case kProxyConstructor:                   // https://crbug.com/v8/6787.
     case kThrowWasmTrapDivByZero:             // Required by wasm.