Merge

8150688: Fix os_windows siglabel Summary: Change types to eliminate implicit narrowing, and other cleanups. Reviewed-by: dholmes, tbenson

8150362: G1 base elapsed time prediction is wrong because rs_length prediction is wrong Summary: Change rs_length prediction used from G1 base elapsed time prediction Reviewed-by: mgerdin, tschatzl

Merge

Merge

8151513: Remove debugging code from BarrierSet Reviewed-by: pliden, stefank