From ff490fb633ba71a1f704ef0980e087dfb36ef07d Mon Sep 17 00:00:00 2001
From: Mikhail Glukhikh <mikhail.glukhikh@jetbrains.com>
Date: Thu, 6 Jul 2023 13:33:26 +0200
Subject: [PATCH] FIR2IR: add more detailed exception message for KT-59766

---
 .../org/jetbrains/kotlin/fir/backend/Fir2IrClassifierStorage.kt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrClassifierStorage.kt b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrClassifierStorage.kt
index c1af1d9bd56..4159e52ff25 100644
--- a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrClassifierStorage.kt
+++ b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrClassifierStorage.kt
@@ -677,7 +677,7 @@ class Fir2IrClassifierStorage(
         return getCachedIrTypeParameter(firTypeParameter, typeContext)?.symbol
         // We can try to use default cache because setter can use parent type parameters
             ?: typeParameterCache[firTypeParameter]?.symbol
-            ?: error("Cannot find cached type parameter by FIR symbol: ${firTypeParameterSymbol.name}")
+            ?: error("Cannot find cached type parameter by FIR symbol: ${firTypeParameterSymbol.name} of the owner: ${firTypeParameter.containingDeclarationSymbol}")
     }
 
     private val temporaryParent by lazy {