test/langtools/tools/javac/lambda/deduplication/ClassFieldDeduplication.java

@@ -22,10 +22,11 @@
   */
  
  /*
   * @test
   * @bug 8202141
+  * @enablePreview
   * @summary Verify that .class synthetic Symbols are not duplicated.
   * @library /tools/javac/lib
   * @modules jdk.compiler/com.sun.tools.javac.api
   *          jdk.compiler/com.sun.tools.javac.code
   *          jdk.compiler/com.sun.tools.javac.file