8225651: Missed the `@` in a couple of code tags of SocketImpl Reviewed-by: alanb, dfuchs

8225453: is_busy diagnostics and other baseline cleanups from Async Monitor Deflation project Reviewed-by: dholmes, rehn, coleenp

8224090: [PPC64] Fix SLP patterns for filling an array with double float literals Reviewed-by: mdoerr, simonis Contributed-by: Kazunori Ogata <ogatak@jp.ibm.com>

8224827: Implement fast class initialization checks on s390 Reviewed-by: vlivanov, gromero

8223249: [s390] Cleanup TemplateInterpreterGenerator::generate_fixed_frame Reviewed-by: coleenp, gromero

8224658: Unsafe access C2 compile fails with assert(flat != TypePtr::BOTTOM) failed: cannot alias-analyze an untyped ptr: adr_type = NULL Summary: Handle unsafe off-heap access with constant zero address. Reviewed-by: vlivanov, roland

8220018: javac crash when compiling try-catch-finally inside switch expression Summary: Correcting handling of finally that yields from a switch expression. Reviewed-by: mcimadamore, jlahoda

8223364: Bad placement of anchor relative to header Reviewed-by: jjg