IR: IrProperty.isFakeOverride

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrProperty.kt

@@ -35,6 +35,7 @@ interface IrProperty :
     val isDelegated: Boolean
     val isExternal: Boolean
     val isExpect: Boolean
+    val isFakeOverride: Boolean
 
     var backingField: IrField?
     var getter: IrSimpleFunction?

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrPropertyImpl.kt

@@ -41,7 +41,8 @@ class IrPropertyImpl(
     override val isLateinit: Boolean = symbol.descriptor.isLateInit,
     override val isDelegated: Boolean = @Suppress("DEPRECATION") symbol.descriptor.isDelegated,
     override val isExternal: Boolean = symbol.descriptor.isEffectivelyExternal(),
-    override val isExpect: Boolean = symbol.descriptor.isExpect
+    override val isExpect: Boolean = symbol.descriptor.isExpect,
+    override val isFakeOverride: Boolean = origin == IrDeclarationOrigin.FAKE_OVERRIDE
 ) : IrDeclarationBase(startOffset, endOffset, origin),
     IrProperty {
 

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

@@ -36,6 +36,7 @@ class IrLazyProperty(
     override val isDelegated: Boolean,
     override val isExternal: Boolean,
     override val isExpect: Boolean,
+    override val isFakeOverride: Boolean,
     stubGenerator: DeclarationStubGenerator,
     typeTranslator: TypeTranslator,
     private val bindingContext: BindingContext? = null
@@ -61,6 +62,7 @@ class IrLazyProperty(
         isDelegated = @Suppress("DEPRECATION") symbol.descriptor.isDelegated,
         isExternal = symbol.descriptor.isEffectivelyExternal(),
         isExpect = symbol.descriptor.isExpect,
+        isFakeOverride = origin == IrDeclarationOrigin.FAKE_OVERRIDE,
         stubGenerator = stubGenerator,
         typeTranslator = typeTranslator,
         bindingContext = bindingContext

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/RenderIrElement.kt

@@ -417,6 +417,7 @@ class RenderIrElementVisitor : IrElementVisitor<String, Nothing?> {
             "lateinit".takeIf { isLateinit },
             "delegated".takeIf { isDelegated },
             "expect".takeIf { isExpect },
+            "fake_override".takeIf { isFakeOverride },
             if (isVar) "var" else "val"
         )