JDK-8148604 enables a more optimal strategy for indify string concat, which may require more species classes during early startup. GenerateJLIClassesPlugin currently has a hard-coded default that attempted to match the usage of ISC, but it slightly mismatch reality, leading to 3 classes being generated when running the HelloClasslist utility.

The following adjustment enables better matching:

diff -r 099857ef9d0c src/jdk.jlink/share/classes/jdk/tools/jlink/internal/plugins/GenerateJLIClassesPlugin.java
--- a/src/jdk.jlink/share/classes/jdk/tools/jlink/internal/plugins/GenerateJLIClassesPlugin.java Thu May 19 16:08:40 2016 +0200
+++ b/src/jdk.jlink/share/classes/jdk/tools/jlink/internal/plugins/GenerateJLIClassesPlugin.java Fri May 20 16:01:15 2016 +0200
@@ -101,8 +101,8 @@
      */
     public static List<String> defaultSpecies() {
         return List.of("LL", "L3", "L4", "L5", "L6", "L7", "L7I",
- "L7II", "L7IIL", "L8", "L9", "L10", "L11", "L11I", "L11II",
- "L12", "L13", "LI", "D", "L3I", "LIL", "LLI", "LLIL",
+ "L7II", "L7IIL", "L8", "L9", "L10", "L10I", "L10II", "L10IIL",
+ "L11", "L12", "L13", "LI", "D", "L3I", "LIL", "LLI", "LLIL",
                 "LILL", "I", "LLILL");
     }