--- old/test/hotspot/jtreg/gc/TestAllocateHeapAtMultiple.java	2018-06-01 23:13:11.017218776 +0200
+++ new/test/hotspot/jtreg/gc/TestAllocateHeapAtMultiple.java	2018-06-01 23:13:10.760207811 +0200
@@ -26,7 +26,7 @@
  * @summary Test to check allocation of Java Heap with AllocateHeapAt option. Has multiple sub-tests to cover different code paths.
  * @library /test/lib
  * @modules java.base/jdk.internal.misc
- * @requires vm.bits == "64"
+ * @requires vm.bits == "64" & vm.gc != "Z"
  */
 
 import jdk.test.lib.JDKToolFinder;