Description: Test fails with NPE on dangling link
 We link libatk on OpenJDK's lib/ but it is a dangling link
 unless libatk is installed. Since we don't build depend on
 it the ModeJDKTest needs to be fixed to recurse only when
 the source exists.
Author: Tiago Stürmer Daitx <tiago.daitx@ubuntu.com>
Origin: Ubuntu
Forwarded: no
Last-Update: 2020-11-09
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- a/test/hotspot/jtreg/runtime/appcds/MoveJDKTest.java
+++ b/test/hotspot/jtreg/runtime/appcds/MoveJDKTest.java
@@ -137,7 +137,7 @@
                     Files.createSymbolicLink(child_dst.toPath(),  /* link to -> */ child_src.toPath());
                 }
             } else {
-                clone(child_src, child_dst);
+                if (child_src.exists()) {clone(child_src, child_dst);}
             }
         }
     }