--- old/test/hotspot/jtreg/gc/logging/TestPrintReferences.java	2019-03-19 17:32:02.096259742 +0800
+++ new/test/hotspot/jtreg/gc/logging/TestPrintReferences.java	2019-03-19 17:32:01.976259742 +0800
@@ -27,6 +27,7 @@
  * @test TestPrintReferences
  * @bug 8136991 8186402 8186465 8188245
  * @summary Validate the reference processing logging
+ * @requires vm.gc.G1
  * @key gc
  * @library /test/lib
  * @modules java.base/jdk.internal.misc