From 581182ce98fb757fe738d260b42668d1520d612e Mon Sep 17 00:00:00 2001
From: Sergey Prigogin <eclipse.sprigogin@gmail.com>
Date: Mon, 13 Mar 2017 18:56:42 -0700
Subject: [PATCH] Minor performance optimization.

Change-Id: I19b1b8f55c8b62fa95eede5318d4b73291dfbd70
---
 .../cdt/internal/core/dom/parser/cpp/semantics/EvalUnary.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalUnary.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalUnary.java
index 79c92842de8..5432eadb7ec 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalUnary.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalUnary.java
@@ -44,6 +44,7 @@ import org.eclipse.cdt.core.dom.ast.IArrayType;
 import org.eclipse.cdt.core.dom.ast.IBasicType;
 import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.IPointerType;
+import org.eclipse.cdt.core.dom.ast.IProblemBinding;
 import org.eclipse.cdt.core.dom.ast.ISemanticProblem;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.IValue;
@@ -388,6 +389,9 @@ public class EvalUnary extends CPPDependentEvaluation {
 		if (argument == fArgument && binding == fAddressOfQualifiedNameBinding)
 			return this;
 
+		if (binding instanceof IProblemBinding)
+			return EvalFixed.INCOMPLETE;
+
 		return new EvalUnary(fOperator, argument, binding, getTemplateDefinition());
 	}