[builtins] implement Array.prototype.includes in TurboFan

src/compiler/js-operator.h

 // Copyright 2013 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_COMPILER_JS_OPERATOR_H_
 #define V8_COMPILER_JS_OPERATOR_H_
 
 #include "src/compiler/type-hints.h"
 #include "src/runtime/runtime.h"
 
@@ skipping 371 matching lines @@
 // AST. Most operators have no parameters, thus can be globally shared for all
 // graphs.
 class JSOperatorBuilder final : public ZoneObject {
  public:
   explicit JSOperatorBuilder(Zone* zone);
 
   const Operator* Equal(CompareOperationHints hints);
   const Operator* NotEqual(CompareOperationHints hints);
   const Operator* StrictEqual(CompareOperationHints hints);
   const Operator* StrictNotEqual(CompareOperationHints hints);
+  const Operator* SameValueZero(CompareOperationHints hints);
   const Operator* LessThan(CompareOperationHints hints);
   const Operator* GreaterThan(CompareOperationHints hints);
   const Operator* LessThanOrEqual(CompareOperationHints hints);
   const Operator* GreaterThanOrEqual(CompareOperationHints hints);
   const Operator* BitwiseOr(BinaryOperationHints hints);
   const Operator* BitwiseXor(BinaryOperationHints hints);
   const Operator* BitwiseAnd(BinaryOperationHints hints);
   const Operator* ShiftLeft(BinaryOperationHints hints);
   const Operator* ShiftRight(BinaryOperationHints hints);
   const Operator* ShiftRightLogical(BinaryOperationHints hints);
@@ skipping 93 matching lines @@
   Zone* const zone_;
 
   DISALLOW_COPY_AND_ASSIGN(JSOperatorBuilder);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_JS_OPERATOR_H_