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

*** 175,184 ****
--- 175,189 ----
           * Warn about use of deprecated items.
           */
          DEPRECATION("deprecation"),
  
          /**
+          * Warn about compiler generation of a default constructor.
+          */
+         DEFAULT_CTOR("default-ctor"),
+ 
+         /**
           * Warn about items which are documented with an {@code @deprecated} JavaDoc
           * comment, but which do not have {@code @Deprecated} annotation.
           */
          DEP_ANN("dep-ann"),