Y. Srinivas Ramakrishna 41bf31bff4 6807801: CMS: could save/restore fewer header words during scavenge
Age bits need not enter the mark-word preservation calculus; also affected, in addition to CMS, per CR synopsis above, were ParNew (but not DefNew), ParallelScavenge and G1, albeit to a lesser degree than CMS.

Reviewed-by: tonyp, johnc
2010-12-17 23:41:31 -08:00
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