Compile FastCloneShallowArrayStub using Crankshaft.

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 322479dec60715085633e4642ff18b3c31d5ae29..93452e550c5784916a87a540bcb81efbab98cb6f 100644
--- a/src/x64/full-codegen-x64.cc
+++ b/src/x64/full-codegen-x64.cc
@@ -1695,24 +1695,33 @@ void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
   Handle<FixedArrayBase> constant_elements_values(
       FixedArrayBase::cast(constant_elements->get(1)));
 
-  __ movq(rbx, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
-  __ push(FieldOperand(rbx, JSFunction::kLiteralsOffset));
-  __ Push(Smi::FromInt(expr->literal_index()));
-  __ Push(constant_elements);
   Heap* heap = isolate()->heap();
   if (has_constant_fast_elements &&
       constant_elements_values->map() == heap->fixed_cow_array_map()) {
     // If the elements are already FAST_*_ELEMENTS, the boilerplate cannot
     // change, so it's possible to specialize the stub in advance.
     __ IncrementCounter(isolate()->counters()->cow_arrays_created_stub(), 1);
+    __ movq(rbx, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
+    __ movq(rax, FieldOperand(rbx, JSFunction::kLiteralsOffset));
+    __ Move(rbx, Smi::FromInt(expr->literal_index()));
+    __ Move(rcx, constant_elements);
     FastCloneShallowArrayStub stub(
         FastCloneShallowArrayStub::COPY_ON_WRITE_ELEMENTS,
         DONT_TRACK_ALLOCATION_SITE,
         length);
     __ CallStub(&stub);
   } else if (expr->depth() > 1) {
+    __ movq(rbx, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
+    __ push(FieldOperand(rbx, JSFunction::kLiteralsOffset));
+    __ Push(Smi::FromInt(expr->literal_index()));
+    __ Push(constant_elements);
     __ CallRuntime(Runtime::kCreateArrayLiteral, 3);
-  } else if (length > FastCloneShallowArrayStub::kMaximumClonedLength) {
+  } else if (Serializer::enabled() ||
+      length > FastCloneShallowArrayStub::kMaximumClonedLength) {
+    __ movq(rbx, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
+    __ push(FieldOperand(rbx, JSFunction::kLiteralsOffset));
+    __ Push(Smi::FromInt(expr->literal_index()));
+    __ Push(constant_elements);
     __ CallRuntime(Runtime::kCreateArrayLiteralShallow, 3);
   } else {
     ASSERT(IsFastSmiOrObjectElementsKind(constant_elements_kind) ||
@@ -1729,6 +1738,10 @@ void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
       allocation_site_mode = DONT_TRACK_ALLOCATION_SITE;
     }
 
+    __ movq(rbx, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
+    __ movq(rax, FieldOperand(rbx, JSFunction::kLiteralsOffset));
+    __ Move(rbx, Smi::FromInt(expr->literal_index()));
+    __ Move(rcx, constant_elements);
     FastCloneShallowArrayStub stub(mode, allocation_site_mode, length);
     __ CallStub(&stub);
   }