Version 4.6.85.21 (cherry-pick)

src/type-feedback-vector.cc

 // Copyright 2014 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/v8.h"
 
 #include "src/code-stubs.h"
 #include "src/ic/ic.h"
 #include "src/ic/ic-state.h"
 #include "src/objects.h"
@@ skipping 108 matching lines @@
 
   Handle<TypeFeedbackVector> vector = Handle<TypeFeedbackVector>::cast(array);
   for (int i = 0; i < ic_slot_count; i++) {
     vector->SetKind(FeedbackVectorICSlot(i), spec->GetKind(i));
   }
   return vector;
 }
 
 
 // static
+int TypeFeedbackVector::PushAppliedArgumentsIndex() {
+  const int index_count = VectorICComputer::word_count(1);
+  return kReservedIndexCount + index_count;
+}
+
+
+// static
+Handle<TypeFeedbackVector> TypeFeedbackVector::CreatePushAppliedArgumentsVector(
+    Isolate* isolate) {
+  Code::Kind kinds[] = {Code::KEYED_LOAD_IC};
+  FeedbackVectorSpec spec(0, 1, kinds);
+  Handle<TypeFeedbackVector> feedback_vector =
+      isolate->factory()->NewTypeFeedbackVector(&spec);
+  DCHECK(PushAppliedArgumentsIndex() ==
+         feedback_vector->GetIndex(FeedbackVectorICSlot(0)));
+  return feedback_vector;
+}
+
+
+// static
 Handle<TypeFeedbackVector> TypeFeedbackVector::Copy(
     Isolate* isolate, Handle<TypeFeedbackVector> vector) {
   Handle<TypeFeedbackVector> result;
   result = Handle<TypeFeedbackVector>::cast(
       isolate->factory()->CopyFixedArray(Handle<FixedArray>::cast(vector)));
   return result;
 }
 
 
 bool TypeFeedbackVector::SpecDiffersFrom(
@@ skipping 544 matching lines @@
 void StoreICNexus::Clear(Code* host) {
   StoreIC::Clear(GetIsolate(), host, this);
 }
 
 
 void KeyedStoreICNexus::Clear(Code* host) {
   KeyedStoreIC::Clear(GetIsolate(), host, this);
 }
 }  // namespace internal
 }  // namespace v8