From 567243a752c068badc7f4bbdde837bb60bbabe3f Mon Sep 17 00:00:00 2001
From: Nathan Ridge <zeratul976@hotmail.com>
Date: Sat, 1 Sep 2018 23:55:44 -0400
Subject: [PATCH] Bug 538509 - Ensure a lookup point is always set during
 semantic highlighting

Change-Id: I121a07c8ef6bf9230e5447e266f5304b598f1a83
---
 .../internal/ui/editor/SemanticHighlightingReconciler.java | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/SemanticHighlightingReconciler.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/SemanticHighlightingReconciler.java
index ccea383874f..4022486f73b 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/SemanticHighlightingReconciler.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/SemanticHighlightingReconciler.java
@@ -445,7 +445,12 @@ public class SemanticHighlightingReconciler implements ICReconcilingListener {
 	 * @param visitor the AST visitor
 	 */
 	private void reconcilePositions(IASTTranslationUnit ast, PositionCollector visitor) {
-		ast.accept(visitor);
+		try {
+			CPPSemantics.pushLookupPoint(ast);
+			ast.accept(visitor);
+		} finally {
+			CPPSemantics.popLookupPoint();
+		}
 		List<HighlightedPosition> oldPositions= fRemovedPositions;
 		List<HighlightedPosition> newPositions= new ArrayList<HighlightedPosition>(fNOfRemovedPositions);
 		for (int i= 0, n= oldPositions.size(); i < n; i ++) {