Pregenerate a RecordWrite stub that we need in the new CallFunctionStub

src/objects.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3639 matching lines @@
   inline bool is_keyed_call_stub() { return kind() == KEYED_CALL_IC; }
   inline bool is_unary_op_stub() { return kind() == UNARY_OP_IC; }
   inline bool is_binary_op_stub() { return kind() == BINARY_OP_IC; }
   inline bool is_compare_ic_stub() { return kind() == COMPARE_IC; }
   inline bool is_to_boolean_ic_stub() { return kind() == TO_BOOLEAN_IC; }
 
   // [major_key]: For kind STUB or BINARY_OP_IC, the major key.
   inline int major_key();
   inline void set_major_key(int value);
 
+  // For stubs, tells whether they should always exist, so that they can be
+  // called from other stubs.
+  inline bool is_pregenerated();
+  inline void set_is_pregenerated(bool value);
+
   // [optimizable]: For FUNCTION kind, tells if it is optimizable.
   inline bool optimizable();
   inline void set_optimizable(bool value);
 
   // [has_deoptimization_support]: For FUNCTION kind, tells if it has
   // deoptimization support.
   inline bool has_deoptimization_support();
   inline void set_has_deoptimization_support(bool value);
 
   // [has_debug_break_slots]: For FUNCTION kind, tells if it has
@@ skipping 203 matching lines @@
 
   static const int kSafepointTableOffsetOffset = kStackSlotsOffset + kIntSize;
   static const int kStackCheckTableOffsetOffset = kStackSlotsOffset + kIntSize;
 
   // Flags layout.  BitField<type, shift, size>.
   class ICStateField: public BitField<InlineCacheState, 0, 3> {};
   class TypeField: public BitField<PropertyType, 3, 4> {};
   class KindField: public BitField<Kind, 7, 4> {};
   class CacheHolderField: public BitField<InlineCacheHolderFlag, 11, 1> {};
   class ExtraICStateField: public BitField<ExtraICState, 12, 2> {};
+  class IsPregeneratedField: public BitField<bool, 14, 1> {};
 
   // Signed field cannot be encoded using the BitField class.
   static const int kArgumentsCountShift = 14;
   static const int kArgumentsCountMask = ~((1 << kArgumentsCountShift) - 1);
 
   static const int kFlagsNotUsedInLookup =
       TypeField::kMask | CacheHolderField::kMask;
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(Code);
@@ skipping 3656 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_