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-8026039.js:30:9 "public" cannot be used as function name in strict mode
function public() {"use strict"}
^
test/script/error/JDK-8026039.js:32:11 Expected ident but found public
function f(public) {"use strict"}
^
test/script/error/JDK-8026039.js:33:0 Expected } but found eof
^