From d0ca89f0a0393c2a8eb4ac8c590b4bebc239265e Mon Sep 17 00:00:00 2001
From: Sergej Jaskiewicz <sergej.jaskiewicz@jetbrains.com>
Date: Fri, 5 May 2023 13:31:18 +0200
Subject: [PATCH] [IR] Make IrValueSymbol a sealed interface

---
 .../ir/ir.tree/src/org/jetbrains/kotlin/ir/symbols/IrSymbol.kt  | 2 +-
 .../src/org/jetbrains/kotlin/ir/util/DeepCopySymbolRemapper.kt  | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/symbols/IrSymbol.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/symbols/IrSymbol.kt
index 2d366248f21..92db12a884d 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/symbols/IrSymbol.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/symbols/IrSymbol.kt
@@ -80,7 +80,7 @@ interface IrScriptSymbol : IrClassifierSymbol, IrBindableSymbol<ScriptDescriptor
 
 interface IrTypeParameterSymbol : IrClassifierSymbol, IrBindableSymbol<TypeParameterDescriptor, IrTypeParameter>, TypeParameterMarker
 
-interface IrValueSymbol : IrSymbol {
+sealed interface IrValueSymbol : IrSymbol {
     @ObsoleteDescriptorBasedAPI
     override val descriptor: ValueDescriptor
 
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/DeepCopySymbolRemapper.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/DeepCopySymbolRemapper.kt
index dfaf9adefa9..0735a60b2b9 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/DeepCopySymbolRemapper.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/DeepCopySymbolRemapper.kt
@@ -213,7 +213,6 @@ open class DeepCopySymbolRemapper(
         when (symbol) {
             is IrValueParameterSymbol -> valueParameters.getReferenced(symbol)
             is IrVariableSymbol -> variables.getReferenced(symbol)
-            else -> throw IllegalArgumentException("Unexpected symbol $symbol")
         }
 
     override fun getReferencedFunction(symbol: IrFunctionSymbol): IrFunctionSymbol =