public static final class StandardTags.RootTag extends Tag
Frame.getArguments()into frame slots, it should do it here for the instrumentation to work correctly. As a result, local scope might be incomplete for instruments, as the prolog does not run before this node is entered and epilog may do destructions before this node is exited.
Use case descriptions:
"ROOT". A node tagged with
StandardTags.RootTagmust provide a
source section, if its root node provides a source section.
If the a node tagged with
root returns a non
null value then it
must be an interop value. There are assertions in place verifying this when Java assertions
are enabled (-ea).