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

'abc'.lastIndexOf('a', 4) = 0
'abc'.lastIndexOf('b', Infinity) = 1
'abc'.lastIndexOf('a', -1) = 0
'abc'.lastIndexOf('a', -Infinity) = 0
'oracle'.lastIndexOf('u') = -1
'hello'.lastIndexOf('l') = 3
'hello'.lastIndexOf('l', 2) = 2
'hello'.lastIndexOf('l', 3) = 3
'hello'.lastIndexOf('l', 1) = -1