[FIR2IR] Generate annotations on delegated property accessors

^KT-64466 Fixed

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/DelegatedMemberGenerator.kt

@@ -400,7 +400,15 @@ class DelegatedMemberGenerator(private val components: Fir2IrComponents) : Fir2I
             baseSymbols.add(it)
         }
         basePropertySymbols[delegateProperty] = baseSymbols
-        // Do not generate annotations to copy K1 behavior, see KT-57228.
+        // Do not generate annotations on property to copy K1 behavior, see KT-57228.
+        // But generate annotations on accessors, see KT-64466.
+        firDelegateProperty.getter?.let { firGetter ->
+            annotationGenerator.generate(delegateProperty.getter!!, firGetter)
+        }
+
+        firDelegateProperty.setter?.let { firSetter ->
+            annotationGenerator.generate(delegateProperty.setter!!, firSetter)
+        }
 
         return delegateProperty
     }

compiler/testData/ir/irText/classes/annotationsOnDelegatedMembers.fir.ir.txt

@@ -92,6 +92,8 @@ FILE fqName:<root> fileName:/annotationsOnDelegatedMembers.kt
       overridden:
         public abstract propWithAccessors: kotlin.Int
       FUN DELEGATED_MEMBER name:<get-propWithAccessors> visibility:public modality:OPEN <> ($this:<root>.Delegated) returnType:kotlin.Int
+        annotations:
+          Ann
         correspondingProperty: PROPERTY DELEGATED_MEMBER name:propWithAccessors visibility:public modality:OPEN [var]
         overridden:
           public abstract fun <get-propWithAccessors> (): kotlin.Int declared in <root>.Base
@@ -102,6 +104,8 @@ FILE fqName:<root> fileName:/annotationsOnDelegatedMembers.kt
               $this: GET_FIELD 'FIELD DELEGATE name:$$delegate_0 type:<root>.Base visibility:private [final]' type=<root>.Base origin=null
                 receiver: GET_VAR '<this>: <root>.Delegated declared in <root>.Delegated.<get-propWithAccessors>' type=<root>.Delegated origin=null
       FUN DELEGATED_MEMBER name:<set-propWithAccessors> visibility:public modality:OPEN <> ($this:<root>.Delegated, <set-?>:kotlin.Int) returnType:kotlin.Unit
+        annotations:
+          Ann
         correspondingProperty: PROPERTY DELEGATED_MEMBER name:propWithAccessors visibility:public modality:OPEN [var]
         overridden:
           public abstract fun <set-propWithAccessors> (<set-?>: kotlin.Int): kotlin.Unit declared in <root>.Base

compiler/testData/ir/irText/classes/annotationsOnDelegatedMembers.fir.kt.txt

@@ -42,9 +42,11 @@ class Delegated : Base {
     }
 
   override var propWithAccessors: Int
+    @Ann
     override get(): Int {
       return <this>.#$$delegate_0.<get-propWithAccessors>()
     }
+    @Ann
     override set(<set-?>: Int) {
       <this>.#$$delegate_0.<set-propWithAccessors>(<set-?> = <set-?>)
     }

compiler/testData/ir/irText/classes/annotationsOnDelegatedMembers.sig.kt.txt

@@ -36,6 +36,10 @@ class Delegated : Base {
     //   Mangled name: Delegated#<get-prop>(){}kotlin.Int
     //   Public signature: /Delegated.prop.<get-prop>|-2094203252476742575[0]
     //   Public signature debug description: <get-prop>(){}kotlin.Int
+    // CHECK JS_IR NATIVE:
+    //   Mangled name: Delegated#<get-prop>(){}
+    //   Public signature: /Delegated.prop.<get-prop>|-5734736374948136327[0]
+    //   Public signature debug description: <get-prop>(){}
     override get(): Int
 
   // CHECK:
@@ -47,6 +51,10 @@ class Delegated : Base {
     //   Mangled name: Delegated#<get-propWithAccessors>(){}kotlin.Int
     //   Public signature: /Delegated.propWithAccessors.<get-propWithAccessors>|1392907778891534138[0]
     //   Public signature debug description: <get-propWithAccessors>(){}kotlin.Int
+    // CHECK JS_IR NATIVE:
+    //   Mangled name: Delegated#<get-propWithAccessors>(){}
+    //   Public signature: /Delegated.propWithAccessors.<get-propWithAccessors>|5253508570158188209[0]
+    //   Public signature debug description: <get-propWithAccessors>(){}
     @Ann
     override get(): Int
     // CHECK:
@@ -79,6 +87,10 @@ interface Base {
     //   Mangled name: Base#<get-prop>(){}kotlin.Int
     //   Public signature: /Base.prop.<get-prop>|-2094203252476742575[0]
     //   Public signature debug description: <get-prop>(){}kotlin.Int
+    // CHECK JS_IR NATIVE:
+    //   Mangled name: Base#<get-prop>(){}
+    //   Public signature: /Base.prop.<get-prop>|-5734736374948136327[0]
+    //   Public signature debug description: <get-prop>(){}
     abstract get
 
   // CHECK:
@@ -90,6 +102,10 @@ interface Base {
     //   Mangled name: Base#<get-propWithAccessors>(){}kotlin.Int
     //   Public signature: /Base.propWithAccessors.<get-propWithAccessors>|1392907778891534138[0]
     //   Public signature debug description: <get-propWithAccessors>(){}kotlin.Int
+    // CHECK JS_IR NATIVE:
+    //   Mangled name: Base#<get-propWithAccessors>(){}
+    //   Public signature: /Base.propWithAccessors.<get-propWithAccessors>|5253508570158188209[0]
+    //   Public signature debug description: <get-propWithAccessors>(){}
     @Ann
     abstract get
     // CHECK:
@@ -100,3 +116,4 @@ interface Base {
     abstract set
 
 }
+