From 0f5a2986894de9b87c9f016190e06f7df02ff40b Mon Sep 17 00:00:00 2001
From: Sebastian Sellmair <sebastian.sellmair@jetbrains.com>
Date: Wed, 7 Sep 2022 16:47:27 +0200
Subject: [PATCH] [Gradle][MPP] InternalKotlinSourceSet: Provide class
 information on casting failure

^KT-52726 Verification Pending
---
 .../kotlin/gradle/plugin/sources/InternalKotlinSourceSet.kt     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/sources/InternalKotlinSourceSet.kt b/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/sources/InternalKotlinSourceSet.kt
index cc018f78dfc..698dbe1c973 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/sources/InternalKotlinSourceSet.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/sources/InternalKotlinSourceSet.kt
@@ -11,7 +11,7 @@ import org.jetbrains.kotlin.gradle.utils.ObservableSet
 
 internal val KotlinSourceSet.internal: InternalKotlinSourceSet
     get() = (this as? InternalKotlinSourceSet) ?: throw IllegalArgumentException(
-        "KotlinSourceSet $name does not implement ${InternalKotlinSourceSet::class.simpleName}"
+        "KotlinSourceSet $name (${this::class}) does not implement ${InternalKotlinSourceSet::class.simpleName}"
     )
 
 internal interface InternalKotlinSourceSet : KotlinSourceSet {