[IR] Not try Null constant in fold constant

^KT-46859 fixed

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java

@@ -939,6 +939,11 @@ public class IrJsCodegenBoxES6TestGenerated extends AbstractIrJsCodegenBoxES6Tes
             runTest("compiler/testData/codegen/box/boxingOptimization/kt19767_chain.kt");
         }
 
+        @TestMetadata("kt46859.kt")
+        public void testKt46859() throws Exception {
+            runTest("compiler/testData/codegen/box/boxingOptimization/kt46859.kt");
+        }
+
         @TestMetadata("kt5493.kt")
         public void testKt5493() throws Exception {
             runTest("compiler/testData/codegen/box/boxingOptimization/kt5493.kt");

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java

@@ -939,6 +939,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/boxingOptimization/kt19767_chain.kt");
         }
 
+        @TestMetadata("kt46859.kt")
+        public void testKt46859() throws Exception {
+            runTest("compiler/testData/codegen/box/boxingOptimization/kt46859.kt");
+        }
+
         @TestMetadata("kt5493.kt")
         public void testKt5493() throws Exception {
             runTest("compiler/testData/codegen/box/boxingOptimization/kt5493.kt");

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java

@@ -939,6 +939,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/boxingOptimization/kt19767_chain.kt");
         }
 
+        @TestMetadata("kt46859.kt")
+        public void testKt46859() throws Exception {
+            runTest("compiler/testData/codegen/box/boxingOptimization/kt46859.kt");
+        }
+
         @TestMetadata("kt5493.kt")
         public void testKt5493() throws Exception {
             runTest("compiler/testData/codegen/box/boxingOptimization/kt5493.kt");

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/wasm/semantics/IrCodegenBoxWasmTestGenerated.java

@@ -824,6 +824,11 @@ public class IrCodegenBoxWasmTestGenerated extends AbstractIrCodegenBoxWasmTest
             runTest("compiler/testData/codegen/box/boxingOptimization/kt19767_chain.kt");
         }
 
+        @TestMetadata("kt46859.kt")
+        public void testKt46859() throws Exception {
+            runTest("compiler/testData/codegen/box/boxingOptimization/kt46859.kt");
+        }
+
         @TestMetadata("kt5588.kt")
         public void testKt5588() throws Exception {
             runTest("compiler/testData/codegen/box/boxingOptimization/kt5588.kt");