JVM IR: recover accidentally lost backingField (KT-49998)

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

@@ -53,6 +53,12 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/annotations/annotatedObjectLiteral.kt");
         }
 
+        @Test
+        @TestMetadata("annotationDefaultValueOfUnsigned.kt")
+        public void testAnnotationDefaultValueOfUnsigned() throws Exception {
+            runTest("compiler/testData/codegen/box/annotations/annotationDefaultValueOfUnsigned.kt");
+        }
+
         @Test
         @TestMetadata("annotationOnWhen.kt")
         public void testAnnotationOnWhen() throws Exception {

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

@@ -49,6 +49,12 @@ public class FirBytecodeTextTestGenerated extends AbstractFirBytecodeTextTest {
         runTest("compiler/testData/codegen/bytecodeText/annotationDefaultValue.kt");
     }
 
+    @Test
+    @TestMetadata("annotationDefaultValueOfUnsigned.kt")
+    public void testAnnotationDefaultValueOfUnsigned() throws Exception {
+        runTest("compiler/testData/codegen/bytecodeText/annotationDefaultValueOfUnsigned.kt");
+    }
+
     @Test
     @TestMetadata("annotationJavaRetentionPolicyRuntime.kt")
     public void testAnnotationJavaRetentionPolicyRuntime() throws Exception {

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

@@ -290,6 +290,7 @@ class MemoizedInlineClassReplacements(
                         parent = propertySymbol.owner.parent
                         copyAttributes(propertySymbol.owner)
                         annotations = propertySymbol.owner.annotations
+                        backingField = propertySymbol.owner.backingField
                     }
                 }
                 correspondingPropertySymbol = property.symbol

compiler/testData/codegen/box/annotations/annotationDefaultValueOfUnsigned.kt

@@ -0,0 +1,29 @@
+// TARGET_BACKEND: JVM_IR
+// WITH_STDLIB
+// WITH_REFLECT
+// FULL_JDK
+
+annotation class Ann1(val value: UByte = 41u)
+annotation class Ann2(val value: UShort = 42u)
+annotation class Ann3(val value: UInt = 43u)
+annotation class Ann4(val value: ULong = 44u)
+
+@Ann1
+@Ann2
+@Ann3
+@Ann4
+class A
+
+fun box(): String {
+    val default1 = A::class.java.getAnnotation(Ann1::class.java).value
+    val default2 = A::class.java.getAnnotation(Ann2::class.java).value
+    val default3 = A::class.java.getAnnotation(Ann3::class.java).value
+    val default4 = A::class.java.getAnnotation(Ann4::class.java).value
+
+    return if (default1 == 41u.toUByte() &&
+        default2 == 42u.toUShort() &&
+        default3 == 43u &&
+        default4 == 44u.toULong()
+    ) "OK"
+    else "FAIL"
+}

compiler/testData/codegen/bytecodeText/annotationDefaultValueOfUnsigned.kt

@@ -0,0 +1,11 @@
+// TARGET_BACKEND: JVM_IR
+
+annotation class Ann1(val value: UByte = 41u)
+annotation class Ann2(val value: UShort = 42u)
+annotation class Ann3(val value: UInt = 43u)
+annotation class Ann4(val value: ULong = 44u)
+
+// 1 default=\(byte\)41
+// 1 default=\(short\)42
+// 1 default=43
+// 1 default=44L

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

@@ -53,6 +53,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             runTest("compiler/testData/codegen/box/annotations/annotatedObjectLiteral.kt");
         }
 
+        @Test
+        @TestMetadata("annotationDefaultValueOfUnsigned.kt")
+        public void testAnnotationDefaultValueOfUnsigned() throws Exception {
+            runTest("compiler/testData/codegen/box/annotations/annotationDefaultValueOfUnsigned.kt");
+        }
+
         @Test
         @TestMetadata("annotationOnWhen.kt")
         public void testAnnotationOnWhen() throws Exception {

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

@@ -49,6 +49,12 @@ public class IrBytecodeTextTestGenerated extends AbstractIrBytecodeTextTest {
         runTest("compiler/testData/codegen/bytecodeText/annotationDefaultValue.kt");
     }
 
+    @Test
+    @TestMetadata("annotationDefaultValueOfUnsigned.kt")
+    public void testAnnotationDefaultValueOfUnsigned() throws Exception {
+        runTest("compiler/testData/codegen/bytecodeText/annotationDefaultValueOfUnsigned.kt");
+    }
+
     @Test
     @TestMetadata("annotationJavaRetentionPolicyRuntime.kt")
     public void testAnnotationJavaRetentionPolicyRuntime() throws Exception {