8179019: Correct range checks for command-line options ArraycopySrcPrefetchDistance and ArraycopyDstPrefetchDistance
Summary: Update constraint for the command-line options. Change stubs to use register values instead of immediates.
Reviewed-by: kvn
8179235: PackageEntryTables should be created eagerly
Summary: Create the PackageEntryTables in the constructor for ClassLoaderData.
Reviewed-by: dholmes, sspitsyn