8042298: Remove the names gen0 and gen1 from the GC code Summary: Renamed gen0 and gen1 to young and old throughout the GC code. Reviewed-by: sjohanss, jcoomes

8026396: Remove information duplication in the collector policy Summary: Cleaned up the usage of flags in collector policy. Reviewed-by: sjohanss, jcoomes

8046275: Fastdebug build failing on jdk9/hs/ control jobs after pulling some hs-comp changes Summary: Add missing check for Opaque nodes from loop predicates in clone_loop(). Reviewed-by: iveresov

8046226: assert(_thread == Thread::current()) failed: thread must be current w/ -XX:+TraceDeoptimization -XX:+Verbose Reviewed-by: twisti, dcubed, fparain

Merge

Merge

8031389: On x86 C1 emits two relocations for polls Summary: C1 emits two poll_type relocations at safepoint polls because LIR_Assembler::safepoint_poll(..) adds a relocation and calls LIR_Assembler::add_debug_info_for_branch(..) which adds a relocation as well. The implementation of add_debug_info_for_branch(..) is changed to not emit a poll relocation. Reviewed-by: kvn, roland

8030976: Untaken paths should be more vigorously pruned at highest optimization level Reviewed-by: roland, vlivanov

8031994: java/lang/Character/CheckProp test times out Reviewed-by: iveresov, roland

8044735: Print format/argument warnings Reviewed-by: twisti, kvn

8044339: Update FilterSpuriousWakeups documentation. Review "Solaris only" vm options descriptions Reviewed-by: kvn, dholmes, iignatyev

8044242: Remove dead NativeMovRegMemPatching class Reviewed-by: twisti, kvn