bug 128650: comment 16: tidy up logic

org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/core/builder/AjBuildManager.java

@@ -338,6 +338,7 @@ public class AjBuildManager implements IOutputClassFileNameProvider,IBinarySourc
         	}
             ret = !handler.hasErrors();
             if (getBcelWorld()!=null) getBcelWorld().tidyUp();
+            getWeaver().tidyUp();
             // bug 59895, don't release reference to handler as may be needed by a nested call
             //handler = null;
         }

org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/core/builder/AjState.java

@@ -1195,4 +1195,9 @@ public class AjState {
 		int modifiers;
 		char[] signature;
 	}
+	
+	public void wipeAllKnowledge() {
+		buildManager.state = null;
+		buildManager.setStructureModel(null);
+	}
 }