8203926: Problem list test/langtools/tools/javac/importscope/T8193717.java Reviewed-by: mcimadamore

8133564: Runtime - 2nd followup to Validate JVM Command-Line Flag Arguments Summary: Moved print function into JVMFlag, cleaned up include headers. Reviewed-by: coleenp, hseigel

8203885: ConcurrentLocksDump::dump_at_safepoint() should not allocate array in resource area Reviewed-by: dholmes, stuefe, kbarrett

8193717: Import resolution performance regression in JDK 9 Summary: Avoiding iteration through all sub-scopes of single import scope when looking up by name by only using those that may contain the given name. Reviewed-by: mcimadamore

8203865: Metaspace cleanup: Remove unused MemRegion in VirtualSpaceNode Reviewed-by: dholmes, zgu

8202832: cycle detection depends on ordering of requires directives Summary: Ensuring cyclic dependencies among modules produce a compile-time error. Reviewed-by: vromero

Merge

8203262: Incorrect cmpxchg usage in MetaspaceGC::inc_capacity_until_GC Reviewed-by: pliden, shade

8203233: (tz) Upgrade time-zone data to tzdata2018e Reviewed-by: martin, naoto

8202842: G1 footprint regressions in jdk11+10 Summary: Lazily initialize G1FromCardCache to save on startup footprint if AlwaysPretouch is disabled. Reviewed-by: sjohanss, redestad

8203817: Monitor::try_lock() should not call check_prelock_state() Reviewed-by: dholmes, eosterlund, rehn

8203628: Optimize (masked) byte memory comparisons on x86 Reviewed-by: adinn, vlivanov, jrose