diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/Parser.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/Parser.java
index 57e04483e0d..87f3b64eed9 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/Parser.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/Parser.java
@@ -90,6 +90,7 @@ public abstract class Parser extends ExpressionParser implements IParser
     {
     	super( scanner, language, log );
     	requestor = callback;
+    	assert true: this;
     }
     
     // counter that keeps track of the number of times Parser.parse() is called