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

8080776: ARM 32 bit binaries do not run on 64 bit ARM v8 hardware Summary: Need to know arm cpu type earlier in the init sequence to avoid illegal instruction Reviewed-by: dholmes, dlong, bdelsart

8042041: https://bugs.openjdk.java.net/browse/JDK-8042041 Summary: Don't assert if class has a bad element_tag in an element_value structure of a RuntimeVisibleAnnotation attribute. Instead, ignore the attribute. Reviewed-by: acorn, gtriantafill

8087195: Support building hotspot with devkits on Macosx Reviewed-by: dholmes, ihse

Merge

Merge

8098821: Crash in system dictionary initialization with shared strings Summary: map string regions after the compressed class base is known Reviewed-by: iklam, dcubed Contributed-by: coleen.phillimore@oracle.com, mikhailo.seledtsov@oracle.com