Remove the obsolete Code::IsPregenerated flag.

src/objects-inl.h

 // Copyright 2012 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 3941 matching lines @@
       kind() == COMPARE_NIL_IC ||
       kind() == LOAD_IC ||
       kind() == KEYED_LOAD_IC ||
       kind() == STORE_IC ||
       kind() == KEYED_STORE_IC ||
       kind() == KEYED_CALL_IC ||
       kind() == TO_BOOLEAN_IC;
 }
 
 
-bool Code::is_pregenerated() {
-  return (kind() == STUB && IsPregeneratedField::decode(flags()));
-}
-
-
-void Code::set_is_pregenerated(bool value) {
-  ASSERT(kind() == STUB);
-  Flags f = flags();
-  f = static_cast<Flags>(IsPregeneratedField::update(f, value));
-  set_flags(f);
-}
-
-
 bool Code::optimizable() {
   ASSERT_EQ(FUNCTION, kind());
   return READ_BYTE_FIELD(this, kOptimizableOffset) == 1;
 }
 
 
 void Code::set_optimizable(bool value) {
   ASSERT_EQ(FUNCTION, kind());
   WRITE_BYTE_FIELD(this, kOptimizableOffset, value ? 1 : 0);
 }
@@ skipping 2491 matching lines @@
 #undef WRITE_UINT32_FIELD
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_