KT-46267 JVM_IR don't generate unnecessary ATHROW in lateinit var read

compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java

@@ -29217,6 +29217,12 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
                 runTest("compiler/testData/codegen/box/properties/lateinit/kt30548.kt");
             }
 
+            @Test
+            @TestMetadata("kt46267.kt")
+            public void testKt46267() throws Exception {
+                runTest("compiler/testData/codegen/box/properties/lateinit/kt46267.kt");
+            }
+
             @Test
             @TestMetadata("localClass.kt")
             public void testLocalClass() throws Exception {

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmBackendContext.kt

@@ -9,7 +9,6 @@ import org.jetbrains.kotlin.backend.common.CommonBackendContext
 import org.jetbrains.kotlin.backend.common.DefaultMapping
 import org.jetbrains.kotlin.backend.common.Mapping
 import org.jetbrains.kotlin.backend.common.ir.Ir
-import org.jetbrains.kotlin.backend.common.lower.irThrow
 import org.jetbrains.kotlin.backend.common.phaser.PhaseConfig
 import org.jetbrains.kotlin.backend.common.psi.PsiErrorBuilder
 import org.jetbrains.kotlin.backend.jvm.codegen.ClassCodegen
@@ -29,7 +28,6 @@ import org.jetbrains.kotlin.descriptors.TypeParameterDescriptor
 import org.jetbrains.kotlin.ir.IrElement
 import org.jetbrains.kotlin.ir.builders.IrBuilderWithScope
 import org.jetbrains.kotlin.ir.builders.irBlock
-import org.jetbrains.kotlin.ir.builders.irNull
 import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.declarations.impl.IrFactoryImpl
 import org.jetbrains.kotlin.ir.descriptors.IrBuiltIns
@@ -161,7 +159,6 @@ class JvmBackendContext(
     override fun throwUninitializedPropertyAccessException(builder: IrBuilderWithScope, name: String): IrExpression =
         builder.irBlock {
             +super.throwUninitializedPropertyAccessException(builder, name)
-            +irThrow(irNull())
         }
 
     override fun handleDeepCopy(

compiler/testData/codegen/box/properties/lateinit/kt46267.kt

@@ -0,0 +1,18 @@
+// TARGET_BACKEND: JVM
+
+// CHECK_BYTECODE_TEXT
+// 0 ATHROW
+// -- invoking throwUninitializedPropertyAccessException is enough
+
+class Test {
+    private lateinit var z: String
+
+    fun test(): String {
+        z = "OK"
+        return z
+    }
+}
+
+fun box(): String {
+    return Test().test()
+}

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java

@@ -29181,6 +29181,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
                 runTest("compiler/testData/codegen/box/properties/lateinit/kt30548.kt");
             }
 
+            @Test
+            @TestMetadata("kt46267.kt")
+            public void testKt46267() throws Exception {
+                runTest("compiler/testData/codegen/box/properties/lateinit/kt46267.kt");
+            }
+
             @Test
             @TestMetadata("localClass.kt")
             public void testLocalClass() throws Exception {

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java

@@ -29217,6 +29217,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
                 runTest("compiler/testData/codegen/box/properties/lateinit/kt30548.kt");
             }
 
+            @Test
+            @TestMetadata("kt46267.kt")
+            public void testKt46267() throws Exception {
+                runTest("compiler/testData/codegen/box/properties/lateinit/kt46267.kt");
+            }
+
             @Test
             @TestMetadata("localClass.kt")
             public void testLocalClass() throws Exception {

compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java

@@ -24797,6 +24797,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
                 runTest("compiler/testData/codegen/box/properties/lateinit/exceptionGetter.kt");
             }
 
+            @TestMetadata("kt46267.kt")
+            public void testKt46267() throws Exception {
+                runTest("compiler/testData/codegen/box/properties/lateinit/kt46267.kt");
+            }
+
             @TestMetadata("localClass.kt")
             public void testLocalClass() throws Exception {
                 runTest("compiler/testData/codegen/box/properties/lateinit/localClass.kt");