[builtins] Implement Array.prototype.reduceRight in the CSA

src/bootstrapper.cc

 // Copyright 2014 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/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/api-natives.h"
 #include "src/base/ieee754.h"
 #include "src/code-stubs.h"
@@ skipping 4179 matching lines @@
     native_context()->set_array_for_each_iterator(*forEach);
 
     // Install Array.prototype.every
     InstallArrayBuiltinFunction(proto, "every", Builtins::kArrayEvery, 2);
 
     // Install Array.prototype.some
     InstallArrayBuiltinFunction(proto, "some", Builtins::kArraySome, 2);
 
     // Install Array.prototype.reduce
     InstallArrayBuiltinFunction(proto, "reduce", Builtins::kArrayReduce, 2);
+
+    // Install Array.prototype.reduceRight
+    InstallArrayBuiltinFunction(proto, "reduceRight",
+                                Builtins::kArrayReduceRight, 2);
   }
 
   // Install InternalArray.prototype.concat
   {
     Handle<JSFunction> array_constructor(
         native_context()->internal_array_function());
     Handle<JSObject> proto(JSObject::cast(array_constructor->prototype()));
     Handle<JSFunction> concat =
         InstallFunction(proto, "concat", JS_OBJECT_TYPE, JSObject::kHeaderSize,
                         MaybeHandle<JSObject>(), Builtins::kArrayConcat);
@@ skipping 886 matching lines @@
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 }  // namespace internal
 }  // namespace v8