Addressed perf regression in Browsermark2.0 array blur test

src/x64/full-codegen-x64.cc

Index: src/x64/full-codegen-x64.cc
diff --git a/src/x64/full-codegen-x64.cc b/src/x64/full-codegen-x64.cc
index 71b54680f2035d352122fe631018cdd09b8590cc..3414b7b7452466352e6d4ac304aeda56fe95891e 100644
--- a/src/x64/full-codegen-x64.cc
+++ b/src/x64/full-codegen-x64.cc
@@ -1726,6 +1726,10 @@ void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
   Comment cmnt(masm_, "[ ArrayLiteral");
 
   expr->BuildConstantElements(isolate());
+  int flags = expr->depth() == 1
+      ? ArrayLiteral::kShallowElements
+      : ArrayLiteral::kNoFlags;
+
   ZoneList<Expression*>* subexprs = expr->values();
   int length = subexprs->length();
   Handle<FixedArray> constant_elements = expr->constant_elements();
@@ -1758,7 +1762,8 @@ void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
     __ push(FieldOperand(rbx, JSFunction::kLiteralsOffset));
     __ Push(Smi::FromInt(expr->literal_index()));
     __ Push(constant_elements);
-    __ CallRuntime(Runtime::kCreateArrayLiteral, 3);
+    __ Push(Smi::FromInt(flags));
+    __ CallRuntime(Runtime::kCreateArrayLiteral, 4);
   } else {
     ASSERT(IsFastSmiOrObjectElementsKind(constant_elements_kind) ||
            FLAG_smi_only_arrays);