Elide hole checks on KeyedLoads of holey double arrays.

src/x64/lithium-codegen-x64.cc

Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index f08c56e1f79856a4e445eb60fb1a072e1b3785b4..1211277bc65a0227e207c82759389150c658ea16 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -100,6 +100,12 @@ void LCodeGen::FinishCode(Handle<Code> code) {
     transition_maps_.at(i)->AddDependentCode(
         DependentCode::kTransitionGroup, code);
   }
+  if (graph()->depends_on_empty_array_proto_elements()) {
+    isolate()->initial_object_prototype()->map()->AddDependentCode(
+        DependentCode::kElementsCantBeAddedGroup, code);
+    isolate()->initial_array_prototype()->map()->AddDependentCode(
+        DependentCode::kElementsCantBeAddedGroup, code);
+  }
 }