Use default argument count for runtime function calls.

src/compiler/js-operator.h

Index: src/compiler/js-operator.h
diff --git a/src/compiler/js-operator.h b/src/compiler/js-operator.h
index ca7c7ea6579c03752726250b9d42e73927b0131e..c06f35d022b240d4e5a7a4bcb8eb61b78f60d2c7 100644
--- a/src/compiler/js-operator.h
+++ b/src/compiler/js-operator.h
@@ -527,7 +527,9 @@ class JSOperatorBuilder final : public ZoneObject {
       VectorSlotPair const& feedback = VectorSlotPair(),
       ConvertReceiverMode convert_mode = ConvertReceiverMode::kAny,
       TailCallMode tail_call_mode = TailCallMode::kDisallow);
+  const Operator* CallRuntime(Runtime::FunctionId id);
   const Operator* CallRuntime(Runtime::FunctionId id, size_t arity);
+  const Operator* CallRuntime(const Runtime::Function* function, size_t arity);
   const Operator* CallConstruct(size_t arity, VectorSlotPair const& feedback);
 
   const Operator* ConvertReceiver(ConvertReceiverMode convert_mode);