John Cuthbertson f63547bf71 7145569: G1: optimize nmethods scanning
Add a list of nmethods to the RSet for a region that contain references into the region. Skip scanning the code cache during root scanning and scan the nmethod lists during RSet scanning instead.

Reviewed-by: tschatzl, brutisso, mgerdin, twisti, kvn
2013-08-15 10:52:18 +02:00
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