--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/StandardOp.java	Fri Feb 02 10:37:48 2018 -0500
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/StandardOp.java	Fri Feb 02 17:28:17 2018 -0800
@@ -31,12 +31,12 @@
 import java.util.ArrayList;
 import java.util.EnumSet;
 
+import org.graalvm.collections.EconomicSet;
 import org.graalvm.compiler.asm.Label;
 import org.graalvm.compiler.core.common.cfg.AbstractBlockBase;
 import org.graalvm.compiler.debug.GraalError;
 import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
 import org.graalvm.compiler.lir.framemap.FrameMap;
-import org.graalvm.util.EconomicSet;
 
 import jdk.vm.ci.code.Register;
 import jdk.vm.ci.code.RegisterSaveLayout;