Minor: cleanup IrLazyProperty

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyProperty.kt

@@ -35,7 +35,7 @@ class IrLazyProperty(
     override val isLateinit: Boolean,
     override val isDelegated: Boolean,
     override val isExternal: Boolean,
-    private val stubGenerator: DeclarationStubGenerator,
+    stubGenerator: DeclarationStubGenerator,
     typeTranslator: TypeTranslator,
     private val bindingContext: BindingContext? = null
 ) :
@@ -74,18 +74,18 @@ class IrLazyProperty(
     override var backingField: IrField? by lazyVar {
         if (descriptor.hasBackingField(bindingContext)) {
             stubGenerator.generateFieldStub(descriptor).apply {
-                correspondingProperty = this@IrLazyProperty
+                correspondingPropertySymbol = this@IrLazyProperty.symbol
             }
         } else null
     }
     override var getter: IrSimpleFunction? by lazyVar {
         descriptor.getter?.let { stubGenerator.generateFunctionStub(it, createPropertyIfNeeded = false) }?.apply {
-            correspondingProperty = this@IrLazyProperty
+            correspondingPropertySymbol = this@IrLazyProperty.symbol
         }
     }
     override var setter: IrSimpleFunction? by lazyVar {
         descriptor.setter?.let { stubGenerator.generateFunctionStub(it, createPropertyIfNeeded = false) }?.apply {
-            correspondingProperty = this@IrLazyProperty
+            correspondingPropertySymbol = this@IrLazyProperty.symbol
         }
     }