--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/meta/HotSpotLoweringProvider.java	2017-07-07 09:30:20.000000000 -0700
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/meta/HotSpotLoweringProvider.java	2017-07-07 09:30:20.000000000 -0700
@@ -22,6 +22,7 @@
  */
 package org.graalvm.compiler.hotspot.meta;
 
+import org.graalvm.compiler.debug.DebugHandlersFactory;
 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
 import org.graalvm.compiler.nodes.spi.LoweringProvider;
 import org.graalvm.compiler.options.OptionValues;
@@ -31,5 +32,5 @@
  */
 public interface HotSpotLoweringProvider extends LoweringProvider {
 
-    void initialize(OptionValues options, HotSpotProviders providers, GraalHotSpotVMConfig config);
+    void initialize(OptionValues options, Iterable<DebugHandlersFactory> factories, HotSpotProviders providers, GraalHotSpotVMConfig config);
 }