From b90b9aee4c9c0982fd0164e69f6fb4824ff8f002 Mon Sep 17 00:00:00 2001
From: Andrew Gvozdev <angvoz.dev@gmail.com>
Date: Thu, 26 Aug 2010 02:31:42 +0000
Subject: [PATCH] bug 323556: AssertionFailedException in
 CEditor.installOverrideIndicator Patch from Marc-Andre Laperle

---
 .../src/org/eclipse/cdt/internal/ui/editor/CEditor.java      | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/CEditor.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/CEditor.java
index 9e5af13e138..3fdc206a7df 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/CEditor.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/CEditor.java
@@ -3511,8 +3511,9 @@ public class CEditor extends TextEditor implements ISelectionChangedListener, IC
 		
 		addReconcileListener(fOverrideIndicatorManager);
 
-		if (provideAST) {
-			ASTProvider.getASTProvider().runOnAST(getInputCElement(), ASTProvider.WAIT_NO, getProgressMonitor(), new ASTRunnable() {
+		ICElement inputCElement = getInputCElement();
+		if (provideAST && inputCElement instanceof ITranslationUnit) {
+			ASTProvider.getASTProvider().runOnAST(inputCElement, ASTProvider.WAIT_NO, getProgressMonitor(), new ASTRunnable() {
 				public IStatus runOnAST(ILanguage lang, IASTTranslationUnit ast) throws CoreException {
 					if (ast != null)
 						fOverrideIndicatorManager.reconciled(ast, true, getProgressMonitor());