[Interpreter]: Use vector store for array literal computed stores.

src/interpreter/bytecode-generator.cc

 // Copyright 2015 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/interpreter/bytecode-generator.h"
 
 #include <stack>
 
 #include "src/compiler.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 694 matching lines @@
       index = temporary_register_scope.NewRegister();
       literal = temporary_register_scope.NewRegister();
       builder()->StoreAccumulatorInRegister(literal);
       literal_in_accumulator = false;
     }
 
     builder()
         ->LoadLiteral(Smi::FromInt(array_index))
         .StoreAccumulatorInRegister(index);
     Visit(subexpr);
-    builder()->GenericStoreKeyedProperty(literal, index);
+    FeedbackVectorSlot slot = expr->LiteralFeedbackSlot();
+    builder()->StoreKeyedProperty(literal, index, feedback_index(slot),
+                                  language_mode());
   }
 
   if (!literal_in_accumulator) {
     // Restore literal array into accumulator.
     builder()->LoadAccumulatorWithRegister(literal);
   }
 }
 
 
 void BytecodeGenerator::VisitVariableProxy(VariableProxy* proxy) {
@@ skipping 476 matching lines @@
 }
 
 
 int BytecodeGenerator::feedback_index(FeedbackVectorSlot slot) const {
   return info()->feedback_vector()->GetIndex(slot);
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8