--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/GraalHotSpotVMConfig.java	Thu May 31 10:14:41 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/GraalHotSpotVMConfig.java	Thu May 31 10:38:05 2018 -0700
@@ -80,6 +80,9 @@
     public final boolean foldStableValues = getFlag("FoldStableValues", Boolean.class);
     public final int maxVectorSize = getFlag("MaxVectorSize", Integer.class);
 
+    public final boolean verifyBeforeGC = getFlag("VerifyBeforeGC", Boolean.class);
+    public final boolean verifyAfterGC = getFlag("VerifyAfterGC", Boolean.class);
+
     public final boolean useTLAB = getFlag("UseTLAB", Boolean.class);
     public final boolean useBiasedLocking = getFlag("UseBiasedLocking", Boolean.class);
     public final boolean usePopCountInstruction = getFlag("UsePopCountInstruction", Boolean.class);