Allocation Info Tracking, continued.

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index e1cf70a0250cb2f281dda7e356fd318b7778754a..97193d0adb72ef9e44ce30a14c8e3edc0852749d 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -8338,8 +8338,20 @@ void HOptimizedGraphBuilder::VisitCallNew(CallNew* expr) {
     CHECK_ALIVE(VisitArgument(expr->expression()));
     HValue* constructor = HPushArgument::cast(Top())->argument();
     CHECK_ALIVE(VisitArgumentList(expr->arguments()));
-    HInstruction* call =
-        new(zone()) HCallNew(context, constructor, argument_count);
+    HCallNew* call;
+    if (!(expr->target().is_null()) &&
+        *(expr->target()) == isolate()->global_context()->array_function()) {
+      Handle<Object> feedback = oracle()->GetInfo(expr->CallNewFeedbackId());
+      ASSERT(feedback->IsSmi());
+      Handle<JSGlobalPropertyCell> cell =
+          isolate()->factory()->NewJSGlobalPropertyCell(feedback);
+      AddInstruction(new(zone()) HCheckFunction(constructor,
+          Handle<JSFunction>(isolate()->global_context()->array_function())));
+      call = new(zone()) HCallNewArray(context, constructor, argument_count,
+                                       cell);
+    } else {
+      call = new(zone()) HCallNew(context, constructor, argument_count);
+    }
     Drop(argument_count);
     call->set_position(expr->position());
     return ast_context()->ReturnInstruction(call, expr->id());