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

src/code-factory.h

 // Copyright 2012 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.
 
 #ifndef V8_CODE_FACTORY_H_
 #define V8_CODE_FACTORY_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/callable.h"
@@ skipping 167 matching lines @@
   static Callable InterpreterPushArgsAndConstructArray(Isolate* isolate);
   static Callable InterpreterCEntry(Isolate* isolate, int result_size = 1);
   static Callable InterpreterOnStackReplacement(Isolate* isolate);
 
   static Callable ArrayConstructor(Isolate* isolate);
   static Callable ArrayPush(Isolate* isolate);
   static Callable ArrayFilterLoopContinuation(Isolate* isolate);
   static Callable ArrayForEachLoopContinuation(Isolate* isolate);
   static Callable ArraySomeLoopContinuation(Isolate* isolate);
   static Callable ArrayEveryLoopContinuation(Isolate* isolate);
+  static Callable ArrayReduceLoopContinuation(Isolate* isolate);
   static Callable FunctionPrototypeBind(Isolate* isolate);
   static Callable PromiseHandleReject(Isolate* isolate);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODE_FACTORY_H_