src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases.common/src/org/graalvm/compiler/phases/common/FrameStateAssignmentPhase.java
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases.common/src/org/graalvm/compiler/phases/common/FrameStateAssignmentPhase.java Fri Feb 02 10:37:48 2018 -0500
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases.common/src/org/graalvm/compiler/phases/common/FrameStateAssignmentPhase.java Fri Feb 02 17:28:17 2018 -0800
@@ -24,6 +24,7 @@
import java.util.List;
+import org.graalvm.collections.EconomicMap;
import org.graalvm.compiler.debug.GraalError;
import org.graalvm.compiler.graph.Node;
import org.graalvm.compiler.nodes.AbstractBeginNode;
@@ -40,7 +41,6 @@
import org.graalvm.compiler.phases.Phase;
import org.graalvm.compiler.phases.graph.ReentrantNodeIterator;
import org.graalvm.compiler.phases.graph.ReentrantNodeIterator.NodeIteratorClosure;
-import org.graalvm.util.EconomicMap;
import jdk.vm.ci.code.BytecodeFrame;