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
TypeError: [RegExp /a|b/g] is not a function
TypeError: [String hello] is not a function
TypeError: [object Object] is not a function