From d5cb7e7ada8f36818f2c33aa8c3d7b64f09de94d Mon Sep 17 00:00:00 2001
From: Alain Magloire <alain@qnx.com>
Date: Thu, 28 Aug 2003 19:20:05 +0000
Subject: [PATCH] Check if the Resource is valid.

---
 .../org/eclipse/cdt/internal/core/model/TranslationUnit.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/TranslationUnit.java b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/TranslationUnit.java
index 9238c637c6d..9721592447d 100644
--- a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/TranslationUnit.java
+++ b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/TranslationUnit.java
@@ -334,7 +334,10 @@ public class TranslationUnit extends Openable implements ITranslationUnit {
 		if (isWorkingCopy()) {
 			ITranslationUnit original = (ITranslationUnit) ((IWorkingCopy)this).getOriginalElement();
 			// might be IResource.NULL_STAMP if original does not exist
-			unitInfo.fTimestamp = ((IFile) original.getResource()).getModificationStamp();
+			IResource r = original.getResource();
+			if (r != null && r instanceof  IFile) {
+				unitInfo.fTimestamp = ((IFile) r).getModificationStamp();
+			}
 		}
 		
 		return unitInfo.isStructureKnown();