test/testlibrary/jittester/src/jdk/test/lib/jittester/factories/Factory.java

@@ -24,8 +24,8 @@
 package jdk.test.lib.jittester.factories;
 
 import jdk.test.lib.jittester.IRNode;
 import jdk.test.lib.jittester.ProductionFailedException;
 
-public abstract class Factory {
-    public abstract IRNode produce() throws ProductionFailedException;
+public abstract class Factory<T extends IRNode> {
+    public abstract T produce() throws ProductionFailedException;
 }