8202105: Console echo is disabled when exiting jshell Summary: Preserving original terminal echo state when Console.readPassword finishes. Reviewed-by: sherman, martin

8202366: Add macro for common loop in GCConfig Reviewed-by: eosterlund, shade

8202364: Add GCConfig::hs_err_name() to avoid GC-specific code in error reporting Reviewed-by: eosterlund, shade

8202417: [TESTBUG] Broken hard-coded dependency in serviceability/sa/ClhsdbJhisto.java Reviewed-by: alanb

8202200: set INCLUDE_SA to false on s390x by default Reviewed-by: ihse, erikj, jgeorge

8201650: Move iteration order randomization of unmodifiable Set and Map to iterators Reviewed-by: smarks, jiangli