--- a/jdk/src/share/classes/sun/tools/jstack/JStack.java	Wed Jun 11 15:47:53 2014 +0200
+++ b/jdk/src/share/classes/sun/tools/jstack/JStack.java	Thu Jun 12 10:32:19 2014 +0200
@@ -133,7 +133,7 @@
             args = prepend("-l", args);
         }
 
-        Class[] argTypes = { String[].class };
+        Class<?>[] argTypes = { String[].class };
         Method m = cl.getDeclaredMethod("main", argTypes);
 
         Object[] invokeArgs = { args };