From 9290546e2ffc2184a08e0622a398d9c47bafed52 Mon Sep 17 00:00:00 2001
From: Nathan Ridge <zeratul976@hotmail.com>
Date: Fri, 25 Jan 2019 01:52:57 -0500
Subject: [PATCH] Bug 543819 - NPE in EvalFunctionSet.isEquivalentTo()

Change-Id: I4f443f95c1a9bff7150abec323ab8afc576d5f00
---
 .../core/dom/parser/cpp/semantics/EvalFunctionSet.java         | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalFunctionSet.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalFunctionSet.java
index f8eb1a08ceb..a53201a0d0e 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalFunctionSet.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalFunctionSet.java
@@ -167,6 +167,9 @@ public class EvalFunctionSet extends CPPDependentEvaluation {
 			return false;
 		}
 		EvalFunctionSet o = (EvalFunctionSet) other;
+		if (fFunctionSet == null) {
+			return o.fFunctionSet == null;
+		}
 		return fFunctionSet.equals(o.fFunctionSet);
 	}