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