[builtins] String.prototype.slice as a CSA builtin.

src/builtins/builtins-definitions.h

 // Copyright 2017 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_DEFINITIONS_H_
 #define V8_BUILTINS_BUILTINS_DEFINITIONS_H_
 
 namespace v8 {
 namespace internal {
 
@@ skipping 835 matching lines @@
   /* ES6 #sec-string.prototype.includes */                                     \
   CPP(StringPrototypeIncludes)                                                 \
   /* ES6 #sec-string.prototype.indexof */                                      \
   TFJ(StringPrototypeIndexOf, SharedFunctionInfo::kDontAdaptArgumentsSentinel) \
   /* ES6 #sec-string.prototype.lastindexof */                                  \
   CPP(StringPrototypeLastIndexOf)                                              \
   /* ES6 #sec-string.prototype.localecompare */                                \
   CPP(StringPrototypeLocaleCompare)                                            \
   /* ES6 #sec-string.prototype.replace */                                      \
   TFJ(StringPrototypeReplace, 2, kSearch, kReplace)                            \
+  /* ES6 #sec-string.prototype.slice */                                        \
+  TFJ(StringPrototypeSlice, SharedFunctionInfo::kDontAdaptArgumentsSentinel)   \
   /* ES6 #sec-string.prototype.split */                                        \
   TFJ(StringPrototypeSplit, 2, kSeparator, kLimit)                             \
   /* ES6 #sec-string.prototype.substr */                                       \
   TFJ(StringPrototypeSubstr, 2, kStart, kLength)                               \
   /* ES6 #sec-string.prototype.substring */                                    \
   TFJ(StringPrototypeSubstring, 2, kStart, kEnd)                               \
   /* ES6 #sec-string.prototype.startswith */                                   \
   CPP(StringPrototypeStartsWith)                                               \
   /* ES6 #sec-string.prototype.tostring */                                     \
   TFJ(StringPrototypeToString, 0)                                              \
@@ skipping 190 matching lines @@
 #define BUILTIN_LIST_TFS(V)                                                    \
   BUILTIN_LIST(IGNORE_BUILTIN, IGNORE_BUILTIN, IGNORE_BUILTIN, IGNORE_BUILTIN, \
                V, IGNORE_BUILTIN, IGNORE_BUILTIN, IGNORE_BUILTIN)
 
 #define BUILTINS_WITH_UNTAGGED_PARAMS(V) V(WasmCompileLazy)
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_BUILTINS_BUILTINS_DEFINITIONS_H_