make/src/classes/build/tools/tzdb/TzdbZoneRulesCompiler.java

*** 64,74 ****
  import java.nio.file.Paths;
  import java.text.ParsePosition;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.HashMap;
! import java.util.HashSet;
  import java.util.List;
  import java.util.Map;
  import java.util.NoSuchElementException;
  import java.util.Scanner;
  import java.util.SortedMap;
--- 64,74 ----
  import java.nio.file.Paths;
  import java.text.ParsePosition;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.HashMap;
! import java.util.LinkedHashSet;
  import java.util.List;
  import java.util.Map;
  import java.util.NoSuchElementException;
  import java.util.Scanner;
  import java.util.SortedMap;
*** 255,265 ****
              out.writeShort(regionArray.length);
              for (String regionId : regionArray) {
                  out.writeUTF(regionId);
              }
              // rules  -- hashset -> remove the dup
!             List<ZoneRules> rulesList = new ArrayList<>(new HashSet<>(builtZones.values()));
              out.writeShort(rulesList.size());
              ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
              for (ZoneRules rules : rulesList) {
                  baos.reset();
                  DataOutputStream dataos = new DataOutputStream(baos);
--- 255,265 ----
              out.writeShort(regionArray.length);
              for (String regionId : regionArray) {
                  out.writeUTF(regionId);
              }
              // rules  -- hashset -> remove the dup
!             List<ZoneRules> rulesList = new ArrayList<>(new LinkedHashSet<>(builtZones.values()));
              out.writeShort(rulesList.size());
              ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
              for (ZoneRules rules : rulesList) {
                  baos.reset();
                  DataOutputStream dataos = new DataOutputStream(baos);