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

test/script/error/JDK-8039047.js:33:11 Expected ) but found if
} catch (e if e instanceof ReferenceError) {
           ^
test/script/error/JDK-8039047.js:35:0 Expected eof but found }
}
^