[builtins] Introduce specialized Call/CallFunction builtins.

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/runtime/runtime.h"
 
 namespace v8 {
@@ skipping 24 matching lines @@
   const Handle<TypeFeedbackVector> vector_;
   const FeedbackVectorSlot slot_;
 };
 
 bool operator==(VectorSlotPair const&, VectorSlotPair const&);
 bool operator!=(VectorSlotPair const&, VectorSlotPair const&);
 
 size_t hash_value(VectorSlotPair const&);
 
 
-// Defines hints about receiver values based on structural knowledge. This is
-// used as a parameter by JSConvertReceiver operators.
-enum class ConvertReceiverMode : unsigned {
-  kNullOrUndefined,     // Guaranteed to be null or undefined.
-  kNotNullOrUndefined,  // Guaranteed to never be null or undefined.
-  kAny                  // No specific knowledge about receiver.
-};
-
-size_t hash_value(ConvertReceiverMode);
-
-std::ostream& operator<<(std::ostream&, ConvertReceiverMode);
-
+// The ConvertReceiverMode is used as parameter by JSConvertReceiver operators.
 ConvertReceiverMode ConvertReceiverModeOf(const Operator* op);
 
 
 // Defines whether tail call optimization is allowed.
 enum class TailCallMode : unsigned { kAllow, kDisallow };
 
 size_t hash_value(TailCallMode);
 
 std::ostream& operator<<(std::ostream&, TailCallMode);
 
@@ skipping 401 matching lines @@
   Zone* const zone_;
 
   DISALLOW_COPY_AND_ASSIGN(JSOperatorBuilder);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_JS_OPERATOR_H_