From af2b77dd4e1f0fa5d93c6210ccdc8c52b010bdfe Mon Sep 17 00:00:00 2001
From: Alexander Udalov <alexander.udalov@jetbrains.com>
Date: Fri, 11 Nov 2022 12:53:37 +0100
Subject: [PATCH] FIR: minor, add message when value class has no
 representation

KT-54897
---
 .../src/org/jetbrains/kotlin/fir/backend/ConversionUtils.kt   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/ConversionUtils.kt b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/ConversionUtils.kt
index ad867331f00..fb5c5e4fcfa 100644
--- a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/ConversionUtils.kt
+++ b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/ConversionUtils.kt
@@ -655,7 +655,9 @@ fun Fir2IrComponents.createTemporaryVariableForSafeCallConstruction(
     createTemporaryVariable(receiverExpression, conversionScope, "safe_receiver")
 
 fun Fir2IrComponents.computeValueClassRepresentation(klass: FirRegularClass): ValueClassRepresentation<IrSimpleType>? {
-    require((klass.valueClassRepresentation != null) == klass.isInline)
+    require((klass.valueClassRepresentation != null) == klass.isInline) {
+        "Value class has no representation: ${klass.render()}"
+    }
     return klass.valueClassRepresentation?.mapUnderlyingType {
         with(typeConverter) {
             it.toIrType() as? IrSimpleType ?: error("Value class underlying type is not a simple type: ${klass.render()}")