--- old/test/hotspot/jtreg/compiler/valhalla/valuetypes/TestLWorld.java	2018-05-30 18:45:40.189700583 +0200
+++ new/test/hotspot/jtreg/compiler/valhalla/valuetypes/TestLWorld.java	2018-05-30 18:45:39.821701017 +0200
@@ -294,6 +294,7 @@
     __NotFlattened MyValue1 nullField;
 
     @Test
+    @Warmup(10000) // Warmup to make sure 'callTest7WithNull' is compiled
     public long test7(MyValue1 vt) {
         long result = 0;
         try {