src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TypeEnter.java

@@ -998,10 +998,11 @@
             JCTree defaultConstructor = null;
 
             // Add default constructor if needed.
             DefaultConstructorHelper helper = getDefaultConstructorHelper(env);
             if (helper != null) {
+                chk.checkDefaultConstructor(sym, tree.pos());
                 defaultConstructor = defaultConstructor(make.at(tree.pos), helper);
                 tree.defs = tree.defs.prepend(defaultConstructor);
             }
             if (!sym.isRecord()) {
                 enterThisAndSuper(sym, env);