From eb5cfa7052caeedc3f361205e44944fdd0ad9b00 Mon Sep 17 00:00:00 2001
From: Nathan Ridge <zeratul976@hotmail.com>
Date: Tue, 25 Apr 2017 03:16:02 -0400
Subject: [PATCH] Bug 515727 - Improve error message

Change-Id: I773850518b265534c462b10c3ba678ac184334c3
---
 .../parser/org/eclipse/cdt/internal/core/index/CIndex.java      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/CIndex.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/CIndex.java
index 486fa0b16c4..a9d588bbdc5 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/CIndex.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/CIndex.java
@@ -560,7 +560,7 @@ public class CIndex implements IIndex {
 			// if non-empty (non-c) results are returned by a fragment
 			return fCF;
 		}
-		throw new CompositingNotImplementedError();
+		throw new CompositingNotImplementedError("Compositing not implemented for linkage ID " + linkageID);  //$NON-NLS-1$
 	}
 
 	private IndexFilter retargetFilter(final ILinkage linkage, final IndexFilter filter) {