6484965: G1: piggy-back liveness accounting phase on marking Summary: Remove the separate counting phase of concurrent marking by tracking the amount of marked bytes and the cards spanned by marked objects in marking task/worker thread local data structures, which are updated as individual objects are marked. Reviewed-by: brutisso, tonyp

7132398: G1: java.lang.IllegalArgumentException: Invalid threshold: 9223372036854775807 > max (1073741824) Summary: Was not passing the right old pool max to the memory pool constructor in the fix for 7078465. Reviewed-by: brutisso, johnc