[Turbofan] Implement super calls with spread bytecode in assembly code.

src/compiler/js-generic-lowering.cc

Index: src/compiler/js-generic-lowering.cc
diff --git a/src/compiler/js-generic-lowering.cc b/src/compiler/js-generic-lowering.cc
index eddadf5e82d48bb98bd28ddc40359cc11e1b7e2a..49dfb15432e6e06a0ff813dfb1635b9859346ea4 100644
--- a/src/compiler/js-generic-lowering.cc
+++ b/src/compiler/js-generic-lowering.cc
@@ -498,8 +498,21 @@ void JSGenericLowering::LowerJSCallConstruct(Node* node) {
 void JSGenericLowering::LowerJSCallConstructWithSpread(Node* node) {
   CallConstructWithSpreadParameters const& p =
       CallConstructWithSpreadParametersOf(node->op());
-  ReplaceWithRuntimeCall(node, Runtime::kNewWithSpread,
-                         static_cast<int>(p.arity()));
+  int const arg_count = static_cast<int>(p.arity() - 2);
+  CallDescriptor::Flags flags = FrameStateFlagForCall(node);
+  Callable callable = CodeFactory::ConstructWithSpread(isolate());
+  CallDescriptor* desc = Linkage::GetStubCallDescriptor(
+      isolate(), zone(), callable.descriptor(), arg_count + 1, flags);
+  Node* stub_code = jsgraph()->HeapConstant(callable.code());
+  Node* stub_arity = jsgraph()->Int32Constant(arg_count);
+  Node* new_target = node->InputAt(arg_count + 1);
+  Node* receiver = jsgraph()->UndefinedConstant();
+  node->RemoveInput(arg_count + 1);  // Drop new target.
+  node->InsertInput(zone(), 0, stub_code);
+  node->InsertInput(zone(), 2, new_target);
+  node->InsertInput(zone(), 3, stub_arity);
+  node->InsertInput(zone(), 4, receiver);
+  NodeProperties::ChangeOp(node, common()->Call(desc));
 }
 
 void JSGenericLowering::LowerJSCallFunction(Node* node) {