[stubs] A new approach to TF stubs

src/heap/heap.cc

 // Copyright 2012 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.
 
 #include "src/heap/heap.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/ast/scopeinfo.h"
 #include "src/base/bits.h"
@@ skipping 2699 matching lines @@
 
   set_experimental_natives_source_cache(
       *factory->NewFixedArray(ExperimentalNatives::GetBuiltinsCount()));
 
   set_extra_natives_source_cache(
       *factory->NewFixedArray(ExtraNatives::GetBuiltinsCount()));
 
   set_experimental_extra_natives_source_cache(
       *factory->NewFixedArray(ExperimentalExtraNatives::GetBuiltinsCount()));
 
-  set_code_stub_natives_source_cache(
-      *factory->NewFixedArray(CodeStubNatives::GetBuiltinsCount()));
-
   set_undefined_cell(*factory->NewCell(factory->undefined_value()));
 
   // The symbol registry is initialized lazily.
   set_symbol_registry(Smi::FromInt(0));
 
   // Allocate object to hold object observation state.
   set_observation_state(*factory->NewJSObjectFromMap(
       factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize)));
 
   // Microtask queue uses the empty fixed array as a sentinel for "empty".
@@ skipping 2341 matching lines @@
   // Create initial maps.
   if (!CreateInitialMaps()) return false;
   CreateApiObjects();
 
   // Create initial objects
   CreateInitialObjects();
   CHECK_EQ(0u, gc_count_);
 
   set_native_contexts_list(undefined_value());
   set_allocation_sites_list(undefined_value());
+
   return true;
 }
 
 
 void Heap::SetStackLimits() {
   DCHECK(isolate_ != NULL);
   DCHECK(isolate_ == isolate());
   // On 64 bit machines, pointers are generally out of range of Smis.  We write
   // something that looks like an out of range Smi to the GC.
 
@@ skipping 1005 matching lines @@
 }
 
 
 // static
 int Heap::GetStaticVisitorIdForMap(Map* map) {
   return StaticVisitorBase::GetVisitorId(map);
 }
 
 }  // namespace internal
 }  // namespace v8