--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/stackslotalloc/LSStackSlotAllocator.java	Tue Apr 24 08:13:30 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/stackslotalloc/LSStackSlotAllocator.java	Tue Apr 24 09:04:57 2018 -0700
@@ -35,7 +35,7 @@
 import java.util.EnumSet;
 import java.util.PriorityQueue;
 
-import org.graalvm.collections.EconomicSet;
+import jdk.internal.vm.compiler.collections.EconomicSet;
 import org.graalvm.compiler.core.common.cfg.AbstractBlockBase;
 import org.graalvm.compiler.debug.DebugCloseable;
 import org.graalvm.compiler.debug.DebugContext;