dsamersoff [Wed, 14 Jan 2015 07:10:53 -0800] rev 28618
7076820: assert(addr != 0) failed: address sanity check in PerfMemory::detach with -XX:-UsePerfData
Summary: Explicitly checks for UsePerfData and if it's false make Perf:detach a NOP.
Reviewed-by: dholmes, jbachorik