8150367: Add back information about the number of GC workers Reviewed-by: sjohanss, tschatzl

Merge

Merge

8150302: Reference processing logging prints the "from list" incorrectly Reviewed-by: tamao, brutisso

8150232: AIX cleanup: Integrate changes of 7178026 and others Reviewed-by: simonis

8150134: Simplify concurrent refinement thread deactivation Summary: Remove explicit deactivation and use green stop_at value. Reviewed-by: jmasa, tschatzl

Merge

8150201: Restore missing -g flags to files with OPT_CFLAGS/per-file Reviewed-by: dholmes, erikj

Merge

Merge

8149013: Remove unused and dead code from G1CollectorPolicy Reviewed-by: ehelin, jwilhelm

Merge

8146187: Print develop and nonproduct flags by -XX:+PrintFlags* options in debug build Reviewed-by: gtriantafill, gziemski, dholmes

8147388: Add diagnostic commands to attach JVMTI agent. Reviewed-by: jbachorik, sspitsyn

8149837: String.intern creates morre work than necessary for G1 Summary: Only use the SATB read barrier when reading existing strings from string table, not when adding new strings. Reviewed-by: stefank, kbarrett

8149383: Convert TraceBiasedLocking to Unified Logging Summary: The former -XX:+TraceBiasedLocking flag has been converted to the UL option -Xlog:biasedlocking=info and =trace, with the old option being aliased. Reviewed-by: dholmes, dcubed