From 50d7e49211323caf921e82b76d47b668b02d4e54 Mon Sep 17 00:00:00 2001
From: Mikhael Bogdanov <mikhael.bogdanov@jetbrains.com>
Date: Fri, 18 May 2018 15:21:58 +0200
Subject: [PATCH] Skip unmapped receiver in inner class lowering

---
 .../kotlin/backend/common/lower/InnerClassesLowering.kt         | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/InnerClassesLowering.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/InnerClassesLowering.kt
index f817dbf3386..c6449bb82dc 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/InnerClassesLowering.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/InnerClassesLowering.kt
@@ -183,7 +183,7 @@ class InnerClassesLowering(val context: BackendContext) : ClassLoweringPass {
             if (descriptor1 is ReceiverParameterDescriptor) {
                 val receiverValue = descriptor1.value
                 if (receiverValue is ImplicitClassReceiver) {
-                    return class2Symbol[receiverValue.classDescriptor]!!
+                    return class2Symbol[receiverValue.classDescriptor]
                 }
             }
             return null