From 240f017407273fad0efa420f4c5ae7cf9ef6d670 Mon Sep 17 00:00:00 2001
From: Nathan Ridge <zeratul976@hotmail.com>
Date: Thu, 15 Nov 2018 21:42:00 -0500
Subject: [PATCH] Bug 541116 - NPE in IndexToASTNameHelper.findMatchingASTName

Change-Id: I6440dd072841cfc7d9e8240024f7dee527954b57
---
 .../cdt/internal/ui/refactoring/IndexToASTNameHelper.java     | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/IndexToASTNameHelper.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/IndexToASTNameHelper.java
index c32dae7cfbb..fe18b022cb4 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/IndexToASTNameHelper.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/IndexToASTNameHelper.java
@@ -42,6 +42,10 @@ public class IndexToASTNameHelper {
 		} else if (!(name instanceof IIndexName)) {
 			return null;
 		}
+		
+		if (tu == null) {
+			return null;
+		}
 
 		IndexNameToAstNameMatcher visitor = new IndexNameToAstNameMatcher(tu, (IIndexName) name, index);
 		tu.accept(visitor);