8216258: Make FreeIdSet semaphore-based Summary: Use semaphore-based blocking and notifying, instead of Mutex. Reviewed-by: tschatzl, sangheki

8217748: [TESTBUG] Exclude TestSig test case from JFR TestShutdownEvent Summary: Excluded TestSig cases from the test Reviewed-by: egahlin

8217746: Remove java/nio/file/WatchService/LotsOfCancels.java from JDK problem list Reviewed-by: rriggs

8217580: Remove tests from problemList as bugs has been closed Reviewed-by: iignatyev, mseledtsov

8217740: SocksIPv6Test compilation error Reviewed-by: bpb

8217345: [TESTBUG] JFR TestShutdownEvent fails due to improper use of Unsafe Summary: Added proper use of Unsafe Reviewed-by: egahlin

8216386: vmTestbase/nsk/jvmti/PopFrame/popframe005/TestDescription.java fails Reviewed-by: jcbeyler, dtitov, sspitsyn

8217520: Remove vm.opt.MaxGCPauseMillis == "null" from TestOldGenCollectionUsage.java Summary: Remove the corresponding @requires line Reviewed-by: tschatzl

8214533: IBM-29626C is required for AIX default charset Reviewed-by: alanb, rriggs

8216986: Remove unused code from SocksSocketImpl Reviewed-by: alanb

8217368: AArch64: C2 recursive stack locking optimisation not triggered Reviewed-by: aph, drwhite

8217660: Refactor module related locked_create_entry_or_null() functions Summary: Remove function return values and add functions that create entries without doing unneeded lookups. Reviewed-by: redestad, lfoltan

8217518: Crypto benchmarks not warming up in time Summary: Adding +AlwaysPreTouch to crypto benchmarks to allow GC to warm up Reviewed-by: redestad

8216136: Take Compile_lock for SystemDictionary::_modification_counter with safepoint check Summary: Transition compiler thread from native to VM state to check the Compile_lock with safepoint always. Reviewed-by: dlong, eosterlund, dholmes

8217716: Remove dead code in PhaseChaitin Reviewed-by: thartmann