[stubs] Introduce NonPrimitiveToPrimitive builtin.

src/objects.h

 // Copyright 2015 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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/assert-scope.h"
@@ skipping 151 matching lines @@
   STORE_TRANSITION_TO_OBJECT,
   STORE_TRANSITION_TO_DOUBLE,
   STORE_AND_GROW_NO_TRANSITION,
   STORE_AND_GROW_TRANSITION_TO_OBJECT,
   STORE_AND_GROW_TRANSITION_TO_DOUBLE,
   STORE_NO_TRANSITION_IGNORE_OUT_OF_BOUNDS,
   STORE_NO_TRANSITION_HANDLE_COW
 };
 
 
-// Valid hints for the abstract operation ToPrimitive,
-// implemented according to ES6, section 7.1.1.
-enum class ToPrimitiveHint { kDefault, kNumber, kString };
-
-
-// Valid hints for the abstract operation OrdinaryToPrimitive,
-// implemented according to ES6, section 7.1.1.
-enum class OrdinaryToPrimitiveHint { kNumber, kString };
-
-
 enum TypeofMode : int { INSIDE_TYPEOF, NOT_INSIDE_TYPEOF };
 
 
 enum MutableMode {
   MUTABLE,
   IMMUTABLE
 };
 
 
 enum ExternalArrayType {
@@ skipping 1646 matching lines @@
   // Deletes an existing named property in a normalized object.
   static void DeleteNormalizedProperty(Handle<JSReceiver> object,
                                        Handle<Name> name, int entry);
 
   DECLARE_CAST(JSReceiver)
 
   // ES6 section 7.1.1 ToPrimitive
   MUST_USE_RESULT static MaybeHandle<Object> ToPrimitive(
       Handle<JSReceiver> receiver,
       ToPrimitiveHint hint = ToPrimitiveHint::kDefault);
+
+  // ES6 section 7.1.1.1 OrdinaryToPrimitive
   MUST_USE_RESULT static MaybeHandle<Object> OrdinaryToPrimitive(
       Handle<JSReceiver> receiver, OrdinaryToPrimitiveHint hint);
 
   static MaybeHandle<Context> GetFunctionRealm(Handle<JSReceiver> receiver);
 
   // Get the first non-hidden prototype.
   static inline MaybeHandle<Object> GetPrototype(Isolate* isolate,
                                                  Handle<JSReceiver> receiver);
 
   MUST_USE_RESULT static Maybe<bool> HasInPrototypeChain(
@@ skipping 9134 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_