1 files changed, 30 insertions, 0 deletions
diff --git a/deps/v8/src/execution/arguments-inl.h b/deps/v8/src/execution/arguments-inl.h
new file mode 100644
index 0000000000..ecdc4ef359
--- /dev/null
+++ b/deps/v8/src/execution/arguments-inl.h
@@ -0,0 +1,30 @@
+// Copyright 2018 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef V8_EXECUTION_ARGUMENTS_INL_H_
+#define V8_EXECUTION_ARGUMENTS_INL_H_
+
+#include "src/execution/arguments.h"
+
+#include "src/handles/handles-inl.h"
+#include "src/objects/objects-inl.h"  // TODO(jkummerow): Just smi-inl.h.
+
+namespace v8 {
+namespace internal {
+
+template <class S>
+Handle<S> Arguments::at(int index) {
+  return Handle<S>::cast(at<Object>(index));
+}
+
+int Arguments::smi_at(int index) {
+  return Smi::ToInt(Object(*address_of_arg_at(index)));
+}
+
+double Arguments::number_at(int index) { return (*this)[index].Number(); }
+
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_EXECUTION_ARGUMENTS_INL_H_