diff options
| -rw-r--r-- | org.eclipse.jdt.core/model/org/eclipse/jdt/internal/core/hierarchy/TypeHierarchy.java | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/org.eclipse.jdt.core/model/org/eclipse/jdt/internal/core/hierarchy/TypeHierarchy.java b/org.eclipse.jdt.core/model/org/eclipse/jdt/internal/core/hierarchy/TypeHierarchy.java index e90caee3ca..aefb34182f 100644 --- a/org.eclipse.jdt.core/model/org/eclipse/jdt/internal/core/hierarchy/TypeHierarchy.java +++ b/org.eclipse.jdt.core/model/org/eclipse/jdt/internal/core/hierarchy/TypeHierarchy.java @@ -1,5 +1,5 @@ /******************************************************************************* - * Copyright (c) 2000, 2016 IBM Corporation and others. + * Copyright (c) 2000, 2017 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at @@ -273,6 +273,10 @@ public void cacheFlags(IType type, int flags) { */ protected void cacheSuperclass(IType type, IType superclass) { if (superclass != null) { + if (superclass.equals(type)) { + Util.log(IStatus.ERROR, "Type "+type.getFullyQualifiedName()+" is it's own superclass"); //$NON-NLS-1$//$NON-NLS-2$ + return; // refuse to enter what could lead to a stackoverflow later + } this.classToSuperclass.put(type, superclass); addSubtype(superclass, type); } |