diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/CapturedVarsOptimizationMethodTransformer.kt b/compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/CapturedVarsOptimizationMethodTransformer.kt
index 9ca20a69b04..04349f30c90 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/CapturedVarsOptimizationMethodTransformer.kt
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/CapturedVarsOptimizationMethodTransformer.kt
@@ -57,6 +57,8 @@ class CapturedVarsOptimizationMethodTransformer : MethodTransformer() {
         override fun onUseAsTainted() {
             hazard = true
         }
+
+        fun canRewrite() = !hazard && initCallInsn != null
     }
 
     private class Transformer(private val internalClassName: String, private val methodNode: MethodNode) {
@@ -72,7 +74,7 @@ class CapturedVarsOptimizationMethodTransformer : MethodTransformer() {
             assignLocalVars(frames)
 
             for (refValue in refValues) {
-                if (!refValue.hazard) {
+                if (refValue.canRewrite()) {
                     rewriteRefValue(refValue)
                 }
             }
diff --git a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java
index 68f7a6846f5..cbb63b930f1 100644
--- a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java
+++ b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java
@@ -5793,6 +5793,12 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
                 runTest("compiler/testData/codegen/box/closures/capturedVarsOptimization/kt44347.kt");
             }
 
+            @Test
+            @TestMetadata("kt45446.kt")
+            public void testKt45446() throws Exception {
+                runTest("compiler/testData/codegen/box/closures/capturedVarsOptimization/kt45446.kt");
+            }
+
             @Test
             @TestMetadata("sharedSlotsWithCapturedVars.kt")
             public void testSharedSlotsWithCapturedVars() throws Exception {
diff --git a/compiler/testData/codegen/box/closures/capturedVarsOptimization/kt45446.kt b/compiler/testData/codegen/box/closures/capturedVarsOptimization/kt45446.kt
new file mode 100644
index 00000000000..1b5ae20d76d
--- /dev/null
+++ b/compiler/testData/codegen/box/closures/capturedVarsOptimization/kt45446.kt
@@ -0,0 +1,25 @@
+// DONT_TARGET_EXACT_BACKEND: WASM
+// WASM_MUTE_REASON: EXCEPTIONS_NOT_IMPLEMENTED
+// This test checks that bytecode optimizer doesn't crash on unreachable code.
+
+fun box(): String {
+    try {
+        remove()
+    }
+    catch (e: Exception) {
+        return e.message!!
+    }
+    return "Should fail with exception"
+}
+
+fun remove() {
+    throw Exception("OK")
+    var captured = 0
+    debug {
+        captured = 1
+    }
+}
+
+private fun debug(f: () -> Unit) {
+    f()
+}
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java
index befbae5646a..5de0698a2a1 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java
@@ -5793,6 +5793,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
                 runTest("compiler/testData/codegen/box/closures/capturedVarsOptimization/kt44347.kt");
             }
 
+            @Test
+            @TestMetadata("kt45446.kt")
+            public void testKt45446() throws Exception {
+                runTest("compiler/testData/codegen/box/closures/capturedVarsOptimization/kt45446.kt");
+            }
+
             @Test
             @TestMetadata("sharedSlotsWithCapturedVars.kt")
             public void testSharedSlotsWithCapturedVars() throws Exception {
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java
index 0b782385c59..0a1909a3219 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java
@@ -5793,6 +5793,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
                 runTest("compiler/testData/codegen/box/closures/capturedVarsOptimization/kt44347.kt");
             }
 
+            @Test
+            @TestMetadata("kt45446.kt")
+            public void testKt45446() throws Exception {
+                runTest("compiler/testData/codegen/box/closures/capturedVarsOptimization/kt45446.kt");
+            }
+
             @Test
             @TestMetadata("sharedSlotsWithCapturedVars.kt")
             public void testSharedSlotsWithCapturedVars() throws Exception {
diff --git a/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java b/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
index b97b42275f2..d77278c26d4 100644
--- a/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
+++ b/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
@@ -5051,6 +5051,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
                 runTest("compiler/testData/codegen/box/closures/capturedVarsOptimization/kt44347.kt");
             }
 
+            @TestMetadata("kt45446.kt")
+            public void testKt45446() throws Exception {
+                runTest("compiler/testData/codegen/box/closures/capturedVarsOptimization/kt45446.kt");
+            }
+
             @TestMetadata("sharedSlotsWithCapturedVars.kt")
             public void testSharedSlotsWithCapturedVars() throws Exception {
                 runTest("compiler/testData/codegen/box/closures/capturedVarsOptimization/sharedSlotsWithCapturedVars.kt");
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java
index 4672796171d..067e7ac0a2f 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java
@@ -4041,6 +4041,11 @@ public class IrJsCodegenBoxES6TestGenerated extends AbstractIrJsCodegenBoxES6Tes
                 runTest("compiler/testData/codegen/box/closures/capturedVarsOptimization/kt44347.kt");
             }
 
+            @TestMetadata("kt45446.kt")
+            public void testKt45446() throws Exception {
+                runTest("compiler/testData/codegen/box/closures/capturedVarsOptimization/kt45446.kt");
+            }
+
             @TestMetadata("sharedSlotsWithCapturedVars.kt")
             public void testSharedSlotsWithCapturedVars() throws Exception {
                 runTest("compiler/testData/codegen/box/closures/capturedVarsOptimization/sharedSlotsWithCapturedVars.kt");
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java
index 35b60ca3cdf..199478175a4 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java
@@ -4041,6 +4041,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
                 runTest("compiler/testData/codegen/box/closures/capturedVarsOptimization/kt44347.kt");
             }
 
+            @TestMetadata("kt45446.kt")
+            public void testKt45446() throws Exception {
+                runTest("compiler/testData/codegen/box/closures/capturedVarsOptimization/kt45446.kt");
+            }
+
             @TestMetadata("sharedSlotsWithCapturedVars.kt")
             public void testSharedSlotsWithCapturedVars() throws Exception {
                 runTest("compiler/testData/codegen/box/closures/capturedVarsOptimization/sharedSlotsWithCapturedVars.kt");
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
index 5aa8f1fbb88..065703803c1 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
@@ -4041,6 +4041,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
                 runTest("compiler/testData/codegen/box/closures/capturedVarsOptimization/kt44347.kt");
             }
 
+            @TestMetadata("kt45446.kt")
+            public void testKt45446() throws Exception {
+                runTest("compiler/testData/codegen/box/closures/capturedVarsOptimization/kt45446.kt");
+            }
+
             @TestMetadata("sharedSlotsWithCapturedVars.kt")
             public void testSharedSlotsWithCapturedVars() throws Exception {
                 runTest("compiler/testData/codegen/box/closures/capturedVarsOptimization/sharedSlotsWithCapturedVars.kt");