8226627: assert(t->singleton()) failed: must be a constant Summary: Implemented constant folding for MaxFD, MinFD. Reviewed-by: thartmann, bsrbnd, pli

8227175: ZGC: ZHeapIterator visits potentially dead objects Reviewed-by: zgu, eosterlund

8227083: ZGC: C2: Generates on_weak barrier for WeakCompareAndSwap Reviewed-by: neliasso, eosterlund

8225770: ZGC: C2: Generates on_weak instead of on_strong barriers Reviewed-by: neliasso, eosterlund

8227055: Minor edits to launcher help text Reviewed-by: mchung

8226963: More clarification on possible sequencing error in GSSContext::unwrap Reviewed-by: mullan

8227061: KDC.java test behaves incorrectly when AS-REQ contains a PAData not PA-ENC-TS-ENC Reviewed-by: mullan

8227124: "could not open pipe" error does not report error details Reviewed-by: sspitsyn, cjplummer

8225239: Refactor NetworkInterface lookups Reviewed-by: michaelm, dfuchs, chegar

8226409: Enable argument profiling for sun.misc.Unsafe.put*/get* Reviewed-by: kvn

8227039: Shenandoah: Aggressive heuristics for Traversal mode Reviewed-by: shade

8222079: Don't use memset to initialize fields decode_env constructor in disassembler.cpp Reviewed-by: dlong, stuefe, mdoerr

8226793: Replace OopStorage dup_name with os::strdup Summary: Use os::strdup and os::free. Reviewed-by: tschatzl

8226823: Adjust BarrierSetC2 for C2 runtime calls Reviewed-by: neliasso, roland