[Interpreter] Add bytecode aging and use it enable CompilationCache for bytecode

src/heap/objects-visiting-inl.h

 // 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.
 
 #ifndef V8_OBJECTS_VISITING_INL_H_
 #define V8_OBJECTS_VISITING_INL_H_
 
 #include "src/heap/array-buffer-tracker.h"
 #include "src/heap/objects-visiting.h"
 #include "src/ic/ic-state.h"
@@ skipping 139 matching lines @@
 
   table_.Register(kVisitNativeContext, &VisitNativeContext);
 
   table_.Register(
       kVisitAllocationSite,
       &FixedBodyVisitor<StaticVisitor, AllocationSite::MarkingBodyDescriptor,
                         void>::Visit);
 
   table_.Register(kVisitByteArray, &DataObjectVisitor::Visit);
 
-  table_.Register(
-      kVisitBytecodeArray,
-      &FixedBodyVisitor<StaticVisitor, BytecodeArray::MarkingBodyDescriptor,
-                        void>::Visit);
+  table_.Register(kVisitBytecodeArray, &VisitBytecodeArray);
 
   table_.Register(kVisitFreeSpace, &DataObjectVisitor::Visit);
 
   table_.Register(kVisitSeqOneByteString, &DataObjectVisitor::Visit);
 
   table_.Register(kVisitSeqTwoByteString, &DataObjectVisitor::Visit);
 
   table_.Register(kVisitJSWeakCollection, &VisitWeakCollection);
 
   table_.Register(
@@ skipping 105 matching lines @@
        target->ic_age() != heap->global_ic_age())) {
     ICUtility::Clear(heap->isolate(), rinfo->pc(),
                      rinfo->host()->constant_pool());
     target = Code::GetCodeFromTargetAddress(rinfo->target_address());
   }
   Code* host = rinfo->host();
   heap->mark_compact_collector()->RecordRelocSlot(host, rinfo, target);
   StaticVisitor::MarkObject(heap, target);
 }
 
-
 template <typename StaticVisitor>
 void StaticMarkingVisitor<StaticVisitor>::VisitCodeAgeSequence(
     Heap* heap, RelocInfo* rinfo) {
   DCHECK(RelocInfo::IsCodeAgeSequence(rinfo->rmode()));
   Code* target = rinfo->code_age_stub();
   DCHECK(target != NULL);
   Code* host = rinfo->host();
   heap->mark_compact_collector()->RecordRelocSlot(host, rinfo, target);
   StaticVisitor::MarkObject(heap, target);
 }
 
+template <typename StaticVisitor>
+void StaticMarkingVisitor<StaticVisitor>::VisitBytecodeArray(
+    Map* map, HeapObject* object) {
+  FixedBodyVisitor<StaticVisitor, BytecodeArray::MarkingBodyDescriptor,
+                   void>::Visit(map, object);
+  BytecodeArray::cast(object)->MakeOlder();
+}
 
 template <typename StaticVisitor>
 void StaticMarkingVisitor<StaticVisitor>::VisitNativeContext(
     Map* map, HeapObject* object) {
   FixedBodyVisitor<StaticVisitor, Context::MarkCompactBodyDescriptor,
                    void>::Visit(map, object);
 }
 
 
 template <typename StaticVisitor>
@@ skipping 346 matching lines @@
   typedef FlexibleBodyVisitor<StaticVisitor, JSFunction::BodyDescriptorWeakCode,
                               void> JSFunctionWeakCodeBodyVisitor;
   JSFunctionWeakCodeBodyVisitor::Visit(map, object);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_VISITING_INL_H_