8078513: [linux] Clean up code relevant to LinuxThreads implementation Reviewed-by: dholmes, sla, coleenp, simonis

8079134: [TESTBUG] Remove applicable_*gc and needs_*gc groups from TEST.groups Reviewed-by: mgerdin, drwhite

8087153: EXCEPTION_ACCESS_VIOLATION when CDS RO section vanished on win32 Summary: When mapping RW for debugging support, update space_info->read_only to reflect it is RW Reviewed-by: dcubed, coleenp, iklam

8085987: Vm crash "not long aligned" in nsk/stress/metaspace/jck60/jck6* tests Summary: The word size being allocated needs to be rounded up. Reviewed-by: jmasa, tbenson

Merge

8072931: JEP-JDK-8059557: Test task: test framework development Summary: Test set for JEP 245 Validate JVM Command-Line Flag Arguments Reviewed-by: ctornqvi, dholmes, gziemski

8122937: [JEP 245] Validate JVM Command-Line Flag Arguments. Summary: Validate the arguments to all JVM command-line flags so as to avoid crashes, and ensure that appropriate error messages are displayed when they are invalid. Reviewed-by: ddmitriev, dholmes, kbarrett, drwhite, brutisso, coleenp

8078669: G1 applies SurvivorAlignmentInBytes to both survivor and old gen Summary: After refactoring of the relevant code in JDK-8060025 the survivor alignment had been applied to any allocation within PLABs. Only do that for survivor allocations again. Improve the related tests to have less variance. Reviewed-by: jmasa, fzhinkin

8079315: UseCondCardMark broken in conjunction with CMS precleaning on x86 Summary: Add the necessary StoreLoad barrier in interpreter, C1 and C2 for x86 Reviewed-by: tschatzl

8078438: Interpreter should support conditional card marks (UseCondCardMark) on x86 and aarch64 Summary: Add interpreter support for conditional card marks on x86 and aarch64 Reviewed-by: tschatzl, aph