From 47439603bb3a52890ccfe6689f3969b840be0e91 Mon Sep 17 00:00:00 2001
From: Alexander Udalov <Alexander.Udalov@jetbrains.com>
Date: Wed, 5 Aug 2015 19:04:06 +0300
Subject: [PATCH] Minor, delete useless instanceof

A follow-up to 9b832d4
---
 .../src/org/jetbrains/kotlin/resolve/OverrideResolver.java  | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/compiler/frontend/src/org/jetbrains/kotlin/resolve/OverrideResolver.java b/compiler/frontend/src/org/jetbrains/kotlin/resolve/OverrideResolver.java
index fb15707fb0f..c1f3e4d36f9 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/resolve/OverrideResolver.java
+++ b/compiler/frontend/src/org/jetbrains/kotlin/resolve/OverrideResolver.java
@@ -841,10 +841,8 @@ public class OverrideResolver {
             @NotNull ValueParameterDescriptor parameterFromSubclass,
             @NotNull ValueParameterDescriptor parameterFromSuperclass
     ) {
-        DeclarationDescriptor subFunction = parameterFromSubclass.getContainingDeclaration();
-        DeclarationDescriptor superFunction = parameterFromSuperclass.getContainingDeclaration();
-        return subFunction instanceof CallableDescriptor && ((CallableDescriptor) subFunction).hasStableParameterNames() &&
-               superFunction instanceof CallableDescriptor && ((CallableDescriptor) superFunction).hasStableParameterNames() &&
+        return parameterFromSubclass.getContainingDeclaration().hasStableParameterNames() &&
+               parameterFromSuperclass.getContainingDeclaration().hasStableParameterNames() &&
                !parameterFromSuperclass.getName().equals(parameterFromSubclass.getName());
     }