8179244: Assert failed in instanceMirrorKlass.inline.hpp Summary: Investigate the failure and upon observing that the assert is too strict, disable it and addd a comment. Reviewed-by: ehelin

8189733: Cleanup Full GC setup and tear down Reviewed-by: tschatzl, ehelin

Merge

8191653: Test failures in BootAppendTests - missing jdk.internal.vm.compiler module Summary: backout the fix for 8190975 Reviewed-by: iklam, kvn

8187280: Remove unused methods from StubQueue Reviewed-by: kvn, kbarrett

8191768: Introduce a concurrency factor to be able to scale up or down jtreg concurrency when running Hotspot tests Reviewed-by: erikj

8191688: Assert failed in > 200 tests: failed dependencies, but counter didn't change Reviewed-by: kvn

8189793: [s390]: Improve String compress/inflate by exploiting vector instructions Reviewed-by: mdoerr, goetz

Merge

8187819: gc/TestFullGCALot.java fails on jdk10 started with "-XX:-UseCompressedOops" option Summary: Need to initialized metaspace performance counters before their potential use Reviewed-by: tschatzl, sjohanss

8190408: Run G1CMRemarkTask with the appropriate amount of threads instead of starting up everyone Reviewed-by: tschatzl, sjohanss

8191202: Remove duplicated jmm.h Reviewed-by: erikj, coleenp

8190800: Support vectorization of Math.sqrt() on floats Reviewed-by: vlivanov, kvn

8191683: Compile problem on ARM after JDK-8043070 Summary: Make nmethod::_state explicitly a signed char Reviewed-by: thartmann

8192933: Wrong generic type parameter in serialized form javadoc Reviewed-by: jjg