src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/CompilerConfigurationFactory.java
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/CompilerConfigurationFactory.java Fri Feb 02 10:37:48 2018 -0500
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/CompilerConfigurationFactory.java Fri Feb 02 17:28:17 2018 -0800
@@ -29,6 +29,7 @@
import java.util.List;
import java.util.stream.Collectors;
+import org.graalvm.collections.EconomicMap;
import org.graalvm.compiler.debug.GraalError;
import org.graalvm.compiler.options.Option;
import org.graalvm.compiler.options.OptionKey;
@@ -36,7 +37,6 @@
import org.graalvm.compiler.options.OptionValues;
import org.graalvm.compiler.phases.tiers.CompilerConfiguration;
import org.graalvm.compiler.serviceprovider.GraalServices;
-import org.graalvm.util.EconomicMap;
import jdk.vm.ci.code.Architecture;
import jdk.vm.ci.common.InitTimer;