src/jdk.compiler/share/classes/com/sun/tools/javac/code/Lint.java

*** 209,218 ****
--- 209,223 ----
           * Warn about finally clauses that do not terminate normally.
           */
          FINALLY("finally"),
  
          /**
+           * Warn about compiler generation of a default constructor.
+           */
+         MISSING_DECLARED_CTOR("missing-declared-ctor"),
+ 
+         /**
           * Warn about module system related issues.
           */
          MODULE("module"),
  
          /**