RFR: JDK-8064473 - Improved handling of age during object copy in G1
staffan.friberg at oracle.com
Tue Nov 11 16:25:42 UTC 2014
Small update to object copying in G1 to reduce the number of times age
has to be read and also make sure the markOop can be trusted by reading
and saving it prior doing the forwarded check. This change is broken out
from the PLAB event RFE.
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