8184349: There should be some verification that EnableJVMCI is disabled if a GC not supporting JVMCI is selected Summary: exit VM with Error when JVMCI does not support seected GC. Reviewed-by: iveresov, thartmann

8202948: C2: assert(init_offset >= 0) failed: positive offset from object start Summary: convert the assert into compilation check which will skip superword optimization Reviewed-by: roland, thartmann

8205025: [AOT] make jdk.aot module upgradeable Reviewed-by: alanb, kvn, mchung

8200867: Remove references to "jdk 9" in build system Reviewed-by: redestad, tbell, erikj

8205050: ZGC: Incorrect use of RootAccess in ZHeapIterator Reviewed-by: stefank, eosterlund

8205028: ZGC: Remove incorrect comment in ZHeap::object_iterate() Reviewed-by: stefank, eosterlund

8205024: ZGC: Worker threads boost mode not always enabled when is should be Reviewed-by: stefank, eosterlund

8205022: ZGC: SoftReferences not always cleared before throwing OOME Reviewed-by: stefank, eosterlund

8205020: ZGC: Apply workaround for buggy sem_post() in glibc < 2.21 Reviewed-by: stefank, eosterlund

8204654: [testbug] Fix pattern matching in jstat tests. Reviewed-by: clanger, stuefe

8205096: Add missing files for 8203394 Summary: Add files missed in the push for Low-Overhead Heap Profiling Reviewed-by: dholmes, tschatzl, rehn, simonis, ehelin

8203394: Implementation of JEP 331: Low-Overhead Heap Profiling Summary: Implement Low-Overhead Heap Profiling Reviewed-by: eosterlund, gthornbr, rehn, sspitsyn, tschatzl