FIR2IR: IrField.isFakeOverride

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt

@@ -558,7 +558,8 @@ class Fir2IrDeclarationStorage(
                         field.name, type, field.visibility,
                         isFinal = field.modality == Modality.FINAL,
                         isExternal = false,
-                        isStatic = field.isStatic
+                        isStatic = field.isStatic,
+                        isFakeOverride = false
                     ).apply {
                         descriptor.bind(this)
                     }

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrVisitor.kt

@@ -510,7 +510,8 @@ class Fir2IrVisitor(
                 startOffset, endOffset, origin, symbol,
                 name, inferredType,
                 visibility, isFinal = isFinal, isExternal = false,
-                isStatic = property.isStatic || parent !is IrClass
+                isStatic = property.isStatic || parent !is IrClass,
+                isFakeOverride = origin == IrDeclarationOrigin.FAKE_OVERRIDE
             )
         }.setParentByParentStack().withParent {
             declarationStorage.enterScope(descriptor)