test/java/lang/StringBuffer/CompactStringBufferSerialization.java

rev 17324 : 8181759: add explicit @build actions for jdk.test.lib classes in all :tier1 tests
Reviewed-by: duke

@@ -31,10 +31,11 @@
 
 /*
  * @test
  * @bug 8077559
  * @library /test/lib
+ * @build jdk.test.lib.util.SerializationUtils
  * @summary Tests Compact String. This one is testing StringBuffer serialization
  *          among -XX:+CompactStrings/-XX:-CompactStrings/LegacyStringBuffer
  * @run testng/othervm -XX:+CompactStrings CompactStringBufferSerialization
  * @run testng/othervm -XX:-CompactStrings CompactStringBufferSerialization
  */