[crankshaft] Remove the global arguments object from the HGraph.

src/crankshaft/hydrogen.cc

Index: src/crankshaft/hydrogen.cc
diff --git a/src/crankshaft/hydrogen.cc b/src/crankshaft/hydrogen.cc
index 5a1e40308e9f099ce7871dd40b784b24ebaaca77..da058376ea1378b1fc7be95d02a5504afe301328 100644
--- a/src/crankshaft/hydrogen.cc
+++ b/src/crankshaft/hydrogen.cc
@@ -4664,12 +4664,11 @@ void HOptimizedGraphBuilder::SetUpScope(Scope* scope) {
   }
 
   AddInstruction(arguments_object);
-  graph()->SetArgumentsObject(arguments_object);
 
   // Handle the arguments and arguments shadow variables specially (they do
   // not have declarations).
   if (scope->arguments() != NULL) {
-    environment()->Bind(scope->arguments(), graph()->GetArgumentsObject());
+    environment()->Bind(scope->arguments(), arguments_object);
   }
 
   int rest_index;
@@ -7856,7 +7855,7 @@ bool HOptimizedGraphBuilder::TryArgumentsAccess(Property* expr) {
       result = New<HConstant>(argument_count);
     }
   } else {
-    Push(graph()->GetArgumentsObject());
+    CHECK_ALIVE_OR_RETURN(VisitForValue(expr->obj(), ARGUMENTS_ALLOWED), true);
     CHECK_ALIVE_OR_RETURN(VisitForValue(expr->key()), true);
     HValue* key = Pop();
     Drop(1);  // Arguments object.