8221392: Reduce ConcurrentGCThreads spinning during start up
Reviewed-by: eosterlund, kbarrett
/build/
/dist/
/.idea/
nbproject/private/
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/.src-rev
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.DS_Store
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test/nashorn/script/external
test/nashorn/lib
NashornProfile.txt
**/JTreport/**
**/JTwork/**