From d2d92a2153e1e55e1b4c21d25bbbd3e1320c6def Mon Sep 17 00:00:00 2001
From: Mikhail Zarechenskiy <mikhail.zarechenskiy@jetbrains.com>
Date: Tue, 24 Apr 2018 01:47:54 +0300
Subject: [PATCH] [NI] Fix exception, don't try to get parent on root fqName

 #EA-119579 Fixed
---
 .../src/org/jetbrains/kotlin/builtins/ReflectionTypes.kt     | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/core/descriptors/src/org/jetbrains/kotlin/builtins/ReflectionTypes.kt b/core/descriptors/src/org/jetbrains/kotlin/builtins/ReflectionTypes.kt
index c32021678fe..4a6f0ea5c19 100644
--- a/core/descriptors/src/org/jetbrains/kotlin/builtins/ReflectionTypes.kt
+++ b/core/descriptors/src/org/jetbrains/kotlin/builtins/ReflectionTypes.kt
@@ -156,7 +156,10 @@ class ReflectionTypes(module: ModuleDescriptor, private val notFoundClasses: Not
 
             val shortName = descriptor.name.asString()
 
-            val packageName = DescriptorUtils.getFqName(descriptor).parent().toSafe()
+            val fqName = DescriptorUtils.getFqName(descriptor)
+            if (fqName.isRoot) return false
+
+            val packageName = fqName.parent().toSafe()
             if (packageName == KOTLIN_REFLECT_FQ_NAME) {
                 return shortName.startsWith("KFunction") // KFunctionN, KFunction
                        || shortName.startsWith("KProperty") // KPropertyN, KProperty