--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.debug/src/org/graalvm/compiler/debug/DebugOptions.java	Fri Feb 02 10:37:48 2018 -0500
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.debug/src/org/graalvm/compiler/debug/DebugOptions.java	Fri Feb 02 17:28:17 2018 -0800
@@ -27,11 +27,11 @@
 import java.nio.file.Path;
 import java.nio.file.Paths;
 
+import org.graalvm.collections.EconomicMap;
 import org.graalvm.compiler.options.Option;
 import org.graalvm.compiler.options.OptionKey;
 import org.graalvm.compiler.options.OptionType;
 import org.graalvm.compiler.options.OptionValues;
-import org.graalvm.util.EconomicMap;
 
 /**
  * Options that configure a {@link DebugContext} and related functionality.