### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: compiler/org/eclipse/jdt/internal/compiler/ast/ConstructorDeclaration.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/ast/ConstructorDeclaration.java,v
retrieving revision 1.115
diff -u -r1.115 ConstructorDeclaration.java
--- compiler/org/eclipse/jdt/internal/compiler/ast/ConstructorDeclaration.java	25 Apr 2011 22:51:18 -0000	1.115
+++ compiler/org/eclipse/jdt/internal/compiler/ast/ConstructorDeclaration.java	23 Sep 2011 18:57:55 -0000
@@ -416,6 +416,7 @@
 
 	ConstructorDeclaration targetConstructor =
 		((ConstructorDeclaration)this.scope.referenceType().declarationOf(this.constructorCall.binding.original()));
+	if (targetConstructor == null) return false; 
 	if (this == targetConstructor) return true; // direct case
 
 	if (visited == null) { // lazy allocation