From 79a7c01eaca357356e516fe80cbfae2a1e4bf8ba Mon Sep 17 00:00:00 2001
From: Denis Zharkov <denis.zharkov@jetbrains.com>
Date: Thu, 28 Sep 2017 16:18:38 +0300
Subject: [PATCH] Fix obviously wrong !is check in type checker

---
 .../org/jetbrains/kotlin/types/checker/NewKotlinTypeChecker.kt  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/descriptors/src/org/jetbrains/kotlin/types/checker/NewKotlinTypeChecker.kt b/core/descriptors/src/org/jetbrains/kotlin/types/checker/NewKotlinTypeChecker.kt
index 91309cf06e8..85bd277353a 100644
--- a/core/descriptors/src/org/jetbrains/kotlin/types/checker/NewKotlinTypeChecker.kt
+++ b/core/descriptors/src/org/jetbrains/kotlin/types/checker/NewKotlinTypeChecker.kt
@@ -243,7 +243,7 @@ object NewKotlinTypeChecker : KotlinTypeChecker {
         }
 
         // i.e. superType is not a classType
-        if (constructor !is ClassDescriptor) {
+        if (constructor.declarationDescriptor !is ClassDescriptor) {
             return collectAllSupertypesWithGivenTypeConstructor(baseType, constructor)
         }