From fcff9a43b4496551827c77014ca98ee970a40a5a Mon Sep 17 00:00:00 2001
From: Dmitry Gridin <dmitry.gridin@jetbrains.com>
Date: Tue, 13 Aug 2019 20:20:11 +0700
Subject: [PATCH] extractionModel: fix NPE #EA-210243 Fixed

---
 .../refactoring/introduce/introduceTypeAlias/extractionModel.kt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/idea/src/org/jetbrains/kotlin/idea/refactoring/introduce/introduceTypeAlias/extractionModel.kt b/idea/src/org/jetbrains/kotlin/idea/refactoring/introduce/introduceTypeAlias/extractionModel.kt
index 1a07e534bec..e3f973d952f 100644
--- a/idea/src/org/jetbrains/kotlin/idea/refactoring/introduce/introduceTypeAlias/extractionModel.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/refactoring/introduce/introduceTypeAlias/extractionModel.kt
@@ -57,7 +57,7 @@ class IntroduceTypeAliasData(
                                  return
                 typeReference.resolveInfo = TypeReferenceInfo(typeReference, kotlinType)
 
-                typeElement.typeArgumentsAsTypes.forEach { it.accept(this) }
+                typeElement.typeArgumentsAsTypes.forEach { it?.accept(this) }
             }
         }
         (originalTypeElement.parent as? KtTypeReference ?: originalTypeElement).accept(visitor)