--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/BootstrapWatchDog.java	2019-03-28 07:37:04.940597686 +0100
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/BootstrapWatchDog.java	2019-03-28 07:37:04.608595469 +0100
@@ -39,6 +39,7 @@
 import org.graalvm.compiler.options.OptionValues;
 
 import jdk.vm.ci.code.CompilationRequest;
+import jdk.vm.ci.services.Services;
 
 /**
  * A watch dog that monitors the duration and compilation rate during a
@@ -108,7 +109,7 @@
     /**
      * Set to true to debug the watch dog.
      */
-    private static final boolean DEBUG = Boolean.getBoolean("debug.graal.BootstrapWatchDog");
+    private static final boolean DEBUG = Boolean.parseBoolean(Services.getSavedProperties().get("debug.graal.BootstrapWatchDog"));
 
     /**
      * Seconds to delay before starting to measure the compilation rate.