8212774: Remove dead code touching Klass::_lower_dimension Summary: Found dead code removal while looking at usage of Compile_lock. This dead code doesn't have Compile_lock but other code touching Klass::_{upper,lower}_dimension do. Reviewed-by: shade

8212148: Remove remaining NSK_CPP_STUBs Summary: Remove remaining macros Reviewed-by: amenkov, phh, iignatyev

8210959: JShell fails and exits when statement throws an exception whose message contains a '%'. Reviewed-by: jlahoda

8210923: JShell: support for switch expressions Reviewed-by: jlahoda

8212663: Remove conservative at_safepoint assert when JFR writes type sets during class unloading Reviewed-by: coleenp, dholmes, mgronlun

8212695: Add explicit timeout to several HTTP Client tests Reviewed-by: dfuchs, michaelm