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

src/builtins/builtins.h

 // Copyright 2011 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_BUILTINS_BUILTINS_H_
 #define V8_BUILTINS_BUILTINS_H_
 
 #include "src/base/flags.h"
 #include "src/globals.h"
 
@@ skipping 262 matching lines @@
   CPP(ArrayPop)                                                                \
   CPP(ArrayPush)                                                               \
   TFJ(FastArrayPush, -1)                                                       \
   CPP(ArrayShift)                                                              \
   CPP(ArraySlice)                                                              \
   CPP(ArraySplice)                                                             \
   CPP(ArrayUnshift)                                                            \
   TFJ(ArrayForEachLoopContinuation, 6)                                         \
   TFJ(ArrayEveryLoopContinuation, 6)                                           \
   TFJ(ArraySomeLoopContinuation, 6)                                            \
+  TFJ(ArrayReduceLoopContinuation, 6)                                          \
   TFJ(ArrayForEach, 2)                                                         \
   TFJ(ArrayEvery, 2)                                                           \
   TFJ(ArraySome, 2)                                                            \
+  TFJ(ArrayReduce, 2)                                                          \
   /* ES6 #sec-array.prototype.entries */                                       \
   TFJ(ArrayPrototypeEntries, 0)                                                \
   /* ES6 #sec-array.prototype.keys */                                          \
   TFJ(ArrayPrototypeKeys, 0)                                                   \
   /* ES6 #sec-array.prototype.values */                                        \
   TFJ(ArrayPrototypeValues, 0)                                                 \
   /* ES6 #sec-%arrayiteratorprototype%.next */                                 \
   TFJ(ArrayIteratorPrototypeNext, 0)                                           \
                                                                                \
   /* ArrayBuffer */                                                            \
@@ skipping 741 matching lines @@
 
   friend class Isolate;
 
   DISALLOW_COPY_AND_ASSIGN(Builtins);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_BUILTINS_BUILTINS_H_