From a0305855661973567cee80a716e8fec18be135b4 Mon Sep 17 00:00:00 2001
From: Dmitry Jemerov <yole@jetbrains.com>
Date: Thu, 19 Feb 2015 14:01:00 +0100
Subject: [PATCH] EA-64906 - NPE:
 KdocPackage$KDocReference$c.getParamDescriptors

---
 .../src/org/jetbrains/kotlin/idea/kdoc/KDocReference.kt      | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/kdoc/KDocReference.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/kdoc/KDocReference.kt
index 2f923b921c6..f37ce1bde4e 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/kdoc/KDocReference.kt
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/kdoc/KDocReference.kt
@@ -102,7 +102,10 @@ public fun getParamDescriptors(fromDescriptor: DeclarationDescriptor): List<Decl
         is ClassifierDescriptor -> {
             val typeParams = fromDescriptor.getTypeConstructor().getParameters()
             if (fromDescriptor is ClassDescriptor) {
-                return typeParams + fromDescriptor.getUnsubstitutedPrimaryConstructor().getValueParameters()
+                val constructorDescriptor = fromDescriptor.getUnsubstitutedPrimaryConstructor()
+                if (constructorDescriptor != null) {
+                    return typeParams + constructorDescriptor.getValueParameters()
+                }
             }
             return typeParams
         }