From 766d87327127c29c704000e52f4606e264459fc7 Mon Sep 17 00:00:00 2001
From: Mikhail Glukhikh <Mikhail.Glukhikh@jetbrains.com>
Date: Tue, 19 Jul 2022 15:13:35 +0200
Subject: [PATCH] FIR2IR: fix case with extension called on dynamic

---
 .../fir/backend/generators/CallAndReferenceGenerator.kt       | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/CallAndReferenceGenerator.kt b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/CallAndReferenceGenerator.kt
index 7a32017abd4..6743a913195 100644
--- a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/CallAndReferenceGenerator.kt
+++ b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/CallAndReferenceGenerator.kt
@@ -422,7 +422,9 @@ class CallAndReferenceGenerator(
             // resolve into members of `Any`.
             val convertedExplicitReceiver = if (explicitReceiverExpression?.type is IrDynamicType) {
                 qualifiedAccess.convertWithOffsets { startOffset, endOffset ->
-                    val targetType = (firSymbol?.fir as? FirCallableDeclaration)?.dispatchReceiverType?.toIrType()
+                    val callableDeclaration = firSymbol?.fir as? FirCallableDeclaration
+                    val targetType = callableDeclaration?.dispatchReceiverType?.toIrType()
+                        ?: callableDeclaration?.receiverTypeRef?.toIrType()
                         ?: error("Couldn't get the proper receiver")
                     IrTypeOperatorCallImpl(
                         startOffset, endOffset, targetType,