diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTDeclarator.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTDeclarator.java
index 18d20bd8bee..d1fb569acc1 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTDeclarator.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTDeclarator.java
@@ -310,7 +310,9 @@ public class CPPASTDeclarator extends CPPASTAttributeOwner implements ICPPASTDec
 
 	@Override
 	public ICPPExecution getExecution() {
-		final ICPPBinding binding = (ICPPBinding) getName().resolveBinding();
+		final IBinding binding = getName().resolveBinding();
+		if (!(binding instanceof ICPPBinding))  // ProblemBinding
+			return ExecIncomplete.INSTANCE;
 		ICPPEvaluation initializerEval = null;
 		if (binding instanceof CPPVariable) {
 			CPPVariable variable = (CPPVariable) binding;
@@ -319,6 +321,6 @@ public class CPPASTDeclarator extends CPPASTAttributeOwner implements ICPPASTDec
 		if (initializerEval == EvalFixed.INCOMPLETE) {
 			return ExecIncomplete.INSTANCE;
 		}
-		return new ExecDeclarator(binding, initializerEval);
+		return new ExecDeclarator((ICPPBinding) binding, initializerEval);
 	}
 }