8034812: remove IDX_INIT macro hack in Node class Summary: The IDX_INIT macro used by Node::Node(...) to retrieve the Compile object is removed and replaced by a call to Compile::current(). The Node constructor, new operator and all calls to it are adapted accordingly. Reviewed-by: kvn, jrose, iveresov, goetz

{
          "foo": 23,
          "bar": {
                    "x": 22
          }
}
{"foo":23,"bar":{"x":22}}
inside n.valueOf
inside s.toString