Vector ICs: Turbofan vector store ic support

src/ast.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/ast.h"
 
 #include <cmath>  // For isfinite.
 #include "src/builtins.h"
 #include "src/code-stubs.h"
 #include "src/contexts.h"
@@ skipping 271 matching lines @@
   // This logic that computes the number of slots needed for vector store
   // ICs must mirror FullCodeGenerator::VisitClassLiteral.
   int ic_slots = 0;
   for (int i = 0; i < properties()->length(); i++) {
     ObjectLiteral::Property* property = properties()->at(i);
 
     Expression* value = property->value();
     if (FunctionLiteral::NeedsHomeObject(value)) ic_slots++;
   }
 
+  if (scope() != NULL && class_variable_proxy()->var()->IsUnallocated()) {
+    ic_slots++;
+  }
+
 #ifdef DEBUG
   // FullCodeGenerator::VisitClassLiteral verifies that it consumes slot_count_
   // slots.
   slot_count_ = ic_slots;
 #endif
   return FeedbackVectorRequirements(0, ic_slots);
 }
 
 
 FeedbackVectorICSlot ClassLiteral::SlotForHomeObject(Expression* value,
@@ skipping 836 matching lines @@
 bool Literal::Match(void* literal1, void* literal2) {
   const AstValue* x = static_cast<Literal*>(literal1)->raw_value();
   const AstValue* y = static_cast<Literal*>(literal2)->raw_value();
   return (x->IsString() && y->IsString() && x->AsString() == y->AsString()) ||
          (x->IsNumber() && y->IsNumber() && x->AsNumber() == y->AsNumber());
 }
 
 
 }  // namespace internal
 }  // namespace v8