diff --git a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/cdi/model/ICDIStackFrame.java b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/cdi/model/ICDIStackFrame.java
index b490919d3aa..28d84e0c967 100644
--- a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/cdi/model/ICDIStackFrame.java
+++ b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/cdi/model/ICDIStackFrame.java
@@ -51,4 +51,9 @@ public interface ICDIStackFrame extends ICDIObject
 	 * @return the level of the stack frame 
 	 */
 	int getLevel();
+	
+	/**
+	 * Return true if the frames are the same.
+	 */
+	boolean equals(ICDIStackFrame stackframe);
 }