--- old/test/lib/jdk/test/lib/util/FileUtils.java	2017-07-19 18:11:34.000000000 -0700
+++ new/test/lib/jdk/test/lib/util/FileUtils.java	2017-07-19 18:11:34.000000000 -0700
@@ -98,7 +98,7 @@
         while (true) {
             try {
                 Files.delete(path);
-                while (Files.exists(path)) {
+                while (!Files.notExists(path)) {
                     times++;
                     if (times > MAX_RETRY_DELETE_TIMES) {
                         throw new IOException("File still exists after " + times + " waits.");