Move work to omit unnecessary ObjectLiteral stores to the numbering pass.

src/hydrogen.cc

 // Copyright 2013 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/hydrogen.h"
 
 #include <sstream>
 
 #include "src/v8.h"
 
@@ skipping 5666 matching lines @@
     Runtime::FunctionId function_id = Runtime::kCreateObjectLiteral;
     literal = Add<HCallRuntime>(isolate()->factory()->empty_string(),
                                 Runtime::FunctionForId(function_id),
                                 4);
   }
 
   // The object is expected in the bailout environment during computation
   // of the property values and is the value of the entire expression.
   Push(literal);
 
-  expr->CalculateEmitStore(zone());
-
   for (int i = 0; i < expr->properties()->length(); i++) {
     ObjectLiteral::Property* property = expr->properties()->at(i);
     if (property->is_computed_name()) return Bailout(kComputedPropertyName);
     if (property->IsCompileTimeValue()) continue;
 
     Literal* key = property->key()->AsLiteral();
     Expression* value = property->value();
 
     switch (property->kind()) {
       case ObjectLiteral::Property::MATERIALIZED_LITERAL:
@@ skipping 7435 matching lines @@
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 } }  // namespace v8::internal