8204113: Upgrade linker used in AOT tests to be same version as build toolchain Reviewed-by: erikj, iignatyev

8204180: Implementation: JEP 318: Epsilon, A No-Op Garbage Collector Summary: Introduce Epsilon GC Reviewed-by: rkennke, ihse, pliden, eosterlund, lmesnik, jgeorge, stefank

8204861: fix for 8196993 has broken the build on linux Summary: undo the changes done for 8196993 Reviewed-by: stefank, shade

8204850: BarrierSet::make_* should be static Reviewed-by: stuefe, tschatzl

Merge

8204606: [Aarch64] SIGSEGVs caused by C1 because of improper register usage Summary: Use correct registers for pasing arguments Reviewed-by: adinn, smonteith

8204674: Inconsistent lambda parameter span Summary: Correcting parameter spans for lambda parameters. Reviewed-by: mcimadamore

8204628: [AArch64] Assertion failure in BarrierSetAssembler::load_at Reviewed-by: aph, drwhite, eosterlund, adinn

8204477: Count linkage errors and print in Exceptions::print_exception_counts_on_error Reviewed-by: stuefe, coleenp Contributed-by: Rene Schuenemann <rene.schuenemann@gmail.com>

8204476: Add additional statistics to CodeCache::print_summary Reviewed-by: kvn, stuefe Contributed-by: Rene Schuenemann <rene.schuenemann@gmail.com>

8196993: Resolve disabled warnings for libunpack Summary: captured return values and labelled as fall through to avoid unused-result and implicit-fallthrough gcc warnings Reviewed-by: mchung

8204097: Simplify OopStorage::AllocateList block entry access Summary: Removed obsolete support for blocks being in multiple lists. Reviewed-by: coleenp, tschatzl