Make CallSite constructor inaccessible from JS

src/builtins/builtins-callsite.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/builtins/builtins.h"
 #include "src/builtins/builtins-utils.h"
 
 #include "src/string-builder.h"
 #include "src/wasm/wasm-module.h"
 
 namespace v8 {
 namespace internal {
 
 #define CHECK_CALLSITE(recv, method)                                          \
   CHECK_RECEIVER(JSObject, recv, method);                                     \
   if (!JSReceiver::HasOwnProperty(                                            \
            recv, isolate->factory()->call_site_position_symbol())             \
            .FromMaybe(false)) {                                               \
     THROW_NEW_ERROR_RETURN_FAILURE(                                           \
         isolate,                                                              \
         NewTypeError(MessageTemplate::kCallSiteMethod,                        \
                      isolate->factory()->NewStringFromAsciiChecked(method))); \
   }
 
-BUILTIN(CallSiteConstructor) {
-  HandleScope scope(isolate);
-
-  Handle<JSFunction> target = args.target<JSFunction>();
-  Handle<Object> new_target = Handle<Object>::cast(args.new_target());
-  Handle<Object> receiver = args.atOrUndefined(isolate, 1);
-  Handle<Object> fun = args.atOrUndefined(isolate, 2);
-  Handle<Object> pos = args.atOrUndefined(isolate, 3);
-  Handle<Object> strict_mode = args.atOrUndefined(isolate, 4);
-
-  RETURN_RESULT_OR_FAILURE(
-      isolate, CallSiteUtils::Construct(isolate, target, new_target, receiver,
-                                        fun, pos, strict_mode));
-}
-
 namespace {
 
 Object* PositiveNumberOrNull(int value, Isolate* isolate) {
   if (value >= 0) return *isolate->factory()->NewNumberFromInt(value);
   return isolate->heap()->null_value();
 }
 
 }  // namespace
 
 BUILTIN(CallSitePrototypeGetColumnNumber) {
@@ skipping 159 matching lines @@
 BUILTIN(CallSitePrototypeToString) {
   HandleScope scope(isolate);
   CHECK_CALLSITE(recv, "toString");
   RETURN_RESULT_OR_FAILURE(isolate, CallSiteUtils::ToString(isolate, recv));
 }
 
 #undef CHECK_CALLSITE
 
 }  // namespace internal
 }  // namespace v8