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

SyntaxError:32:Expected comma but found decimal
var x = [ 23 34 ]
             ^
SyntaxError:41:Expected comma but found ident
var x = { foo: 33 bar: 'hello' }
                  ^