8000358: G1: metaspace information not printed in PrintHeapAtGC output nor in hs_err file Summary: Missing call to MetaspaceAux::print_on() in G1CollectedHeap::print_on(). Reviewed-by: azeemj, jmasa Contributed-by: Mikael Gerdin <mikael.gerdin@oracle.com>

7127708: G1: change task num types from int to uint in concurrent mark Summary: Change the type of various task num fields, parameters etc to unsigned and rename them to be more consistent with the other collectors. Code changes were also reviewed by Vitaly Davidovich. Reviewed-by: johnc Contributed-by: Kaushik Srenevasan <kaushik@twitter.com>