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

^build/
^dist/
^drop/
^drop_included/
^webrev/
/nbproject/private/
^.hgtip