diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/LabelNormalizationMethodTransformer.kt b/compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/LabelNormalizationMethodTransformer.kt
index 02da4ce1cf7..fcab0e02d0a 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/LabelNormalizationMethodTransformer.kt
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/LabelNormalizationMethodTransformer.kt
@@ -18,6 +18,7 @@ package org.jetbrains.kotlin.codegen.optimization
 
 import org.jetbrains.kotlin.codegen.optimization.common.removeEmptyCatchBlocks
 import org.jetbrains.kotlin.codegen.optimization.transformer.MethodTransformer
+import org.jetbrains.kotlin.utils.SmartIdentityTable
 import org.jetbrains.org.objectweb.asm.Label
 import org.jetbrains.org.objectweb.asm.tree.*
 import java.lang.IllegalStateException
@@ -29,7 +30,7 @@ class LabelNormalizationMethodTransformer : MethodTransformer() {
 
     private class TransformerForMethod(val methodNode: MethodNode) {
         val instructions = methodNode.instructions
-        val newLabelNodes = hashMapOf<Label, LabelNode>()
+        val newLabelNodes = SmartIdentityTable<Label, LabelNode>()
 
         fun transform() {
             if (rewriteLabelInstructions()) {