src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/phases/aot/ReplaceConstantNodesPhase.java
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/phases/aot/ReplaceConstantNodesPhase.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/phases/aot/ReplaceConstantNodesPhase.java Fri Feb 02 17:28:17 2018 -0800
@@ -29,6 +29,7 @@
import java.util.HashSet;
import java.util.List;
+import org.graalvm.collections.EconomicMap;
import org.graalvm.compiler.core.common.cfg.BlockMap;
import org.graalvm.compiler.core.common.type.ObjectStamp;
import org.graalvm.compiler.core.common.type.Stamp;
@@ -64,7 +65,6 @@
import org.graalvm.compiler.phases.schedule.SchedulePhase;
import org.graalvm.compiler.phases.schedule.SchedulePhase.SchedulingStrategy;
import org.graalvm.compiler.phases.tiers.PhaseContext;
-import org.graalvm.util.EconomicMap;
import jdk.vm.ci.code.BytecodeFrame;
import jdk.vm.ci.hotspot.HotSpotMetaspaceConstant;