From 91089f5f7a7703f35531ee7a56ff8466c6a0c736 Mon Sep 17 00:00:00 2001
From: Mikhail Glukhikh <mikhail.glukhikh@jetbrains.com>
Date: Tue, 20 Oct 2020 11:31:37 +0300
Subject: [PATCH] IrValidator: add more details to duplicate message for type
 parameter

---
 .../jetbrains/kotlin/backend/common/CheckIrElementVisitor.kt   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/CheckIrElementVisitor.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/CheckIrElementVisitor.kt
index 34109a82cf8..3f49ae2c736 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/CheckIrElementVisitor.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/CheckIrElementVisitor.kt
@@ -44,7 +44,8 @@ class CheckIrElementVisitor(
 
     override fun visitElement(element: IrElement) {
         if (config.ensureAllNodesAreDifferent && !visitedElements.add(element)) {
-            reportError(element, "Duplicate IR node: ${element.render()}")
+            val renderString = if (element is IrTypeParameter) element.render() + " of " + element.parent.render() else element.render()
+            reportError(element, "Duplicate IR node: $renderString")
         }
     }