--- a/src/jdk.internal.vm.compiler/share/classes/jdk.internal.vm.compiler.libgraal/src/jdk/internal/vm/compiler/libgraal/LibGraal.java	Tue Sep 24 08:54:08 2019 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/jdk.internal.vm.compiler.libgraal/src/jdk/internal/vm/compiler/libgraal/LibGraal.java	Tue Sep 24 12:47:15 2019 -0400
@@ -25,6 +25,7 @@
 package jdk.internal.vm.compiler.libgraal;
 
 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
+import jdk.vm.ci.hotspot.HotSpotSpeculationLog;
 import jdk.vm.ci.services.Services;
 
 /**
@@ -36,6 +37,10 @@
         return inLibGraal() || isolate != 0L;
     }
 
+    public static boolean isSupported() {
+        return true;
+    }
+
     public static boolean inLibGraal() {
         return Services.IS_IN_NATIVE_IMAGE;
     }
@@ -91,13 +96,17 @@
         return runtime.isCurrentThreadAttached();
     }
 
-    static boolean attachCurrentThread(HotSpotJVMCIRuntime runtime) {
-        return runtime.attachCurrentThread(false);
+    public static boolean attachCurrentThread(HotSpotJVMCIRuntime runtime, boolean isDaemon) {
+        return runtime.attachCurrentThread(isDaemon);
     }
 
-    static void detachCurrentThread(HotSpotJVMCIRuntime runtime) {
+    public static void detachCurrentThread(HotSpotJVMCIRuntime runtime) {
         runtime.detachCurrentThread();
     }
 
     static native long getCurrentIsolateThread(long iso);
+
+    public static long getFailedSpeculationsAddress(HotSpotSpeculationLog log) {
+        return log.getFailedSpeculationsAddress();
+    }
 }