Add test case generator for runtime functions

test/mjsunit/runtime-gen/apply.js

Index: test/mjsunit/runtime-gen/apply.js
diff --git a/test/mjsunit/runtime-gen/apply.js b/test/mjsunit/runtime-gen/apply.js
new file mode 100644
index 0000000000000000000000000000000000000000..90e9c71403a27324c1d8ddf895f059c17f81be73
--- /dev/null
+++ b/test/mjsunit/runtime-gen/apply.js
@@ -0,0 +1,9 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// AUTO-GENERATED BY tools/generate-runtime-tests.py, DO NOT MODIFY
+// Flags: --allow-natives-syntax --harmony
+var arg0 = function() {};
+var _receiver = new Object();
+var _arguments = new Object();
+var _offset = 1;
+var _argc = 1;
+%Apply(arg0, _receiver, _arguments, _offset, _argc);