Program: 9370
Project: 9370
Buggy source:
public boolean munge(BcelClassWeaver weaver){
  boolean changed=false;
  boolean worthReporting=true;
  if (munger.getKind() == ResolvedTypeMunger.Field) {
    changed=mungeNewField(weaver,(NewFieldTypeMunger)munger);
  }
 else   if (munger.getKind() == ResolvedTypeMunger.Method) {
    changed=mungeNewMethod(weaver,(NewMethodTypeMunger)munger);
  }
 else   if (munger.getKind() == ResolvedTypeMunger.PerObjectInterface) {
    changed=mungePerObjectInterface(weaver,(PerObjectInterfaceTypeMunger)munger);
    worthReporting=false;
  }
 else   if (munger.getKind() == ResolvedTypeMunger.PrivilegedAccess) {
    changed=mungePrivilegedAccess(weaver,(PrivilegedAccessMunger)munger);
    worthReporting=false;
  }
 else   if (munger.getKind() == ResolvedTypeMunger.Constructor) {
    changed=mungeNewConstructor(weaver,(NewConstructorTypeMunger)munger);
  }
 else   if (munger.getKind() == ResolvedTypeMunger.Parent) {
    changed=mungeNewParent(weaver,(NewParentTypeMunger)munger);
  }
 else {
    throw new RuntimeException("String_Node_Str");
  }
  if (changed && munger.changesPublicSignature()) {
    WeaverStateInfo info=weaver.getLazyClassGen().getOrCreateWeaverStateInfo();
    info.addConcreteMunger(this);
  }
  if (ResolvedTypeMunger.persistSourceLocation) {
    if (changed) {
      if (munger.getKind().equals(ResolvedTypeMunger.Parent)) {
        AsmRelationshipProvider.getDefault().addRelationship(weaver.getLazyClassGen().getType(),munger,getAspectType());
      }
 else {
        AsmRelationshipProvider.getDefault().addRelationship(weaver.getLazyClassGen().getType(),munger,getAspectType());
      }
    }
  }
  if (changed && worthReporting && munger != null && !weaver.getWorld().getMessageHandler().isIgnoring(IMessage.WEAVEINFO)) {
    String tName=weaver.getLazyClassGen().getType().getSourceLocation().getSourceFile().getName();
    if (tName.indexOf("String_Node_Str") != -1)     tName="String_Node_Str";
 else     tName=getShortname(weaver.getLazyClassGen().getType().getSourceLocation().getSourceFile().getPath());
    String fName=getShortname(getAspectType().getSourceLocation().getSourceFile().getPath());
    if (munger.getKind().equals(ResolvedTypeMunger.Parent)) {
      NewParentTypeMunger parentTM=(NewParentTypeMunger)munger;
      if (parentTM.getNewParent().isInterface()) {
        weaver.getWorld().getMessageHandler().handleMessage(WeaveMessage.constructWeavingMessage(WeaveMessage.WEAVEMESSAGE_DECLAREPARENTSIMPLEMENTS,new String[]{weaver.getLazyClassGen().getType().getName(),tName,parentTM.getNewParent().getName(),fName}));
      }
 else {
        System.err.println("String_Node_Str");
      }
    }
 else {
      weaver.getWorld().getMessageHandler().handleMessage(WeaveMessage.constructWeavingMessage(WeaveMessage.WEAVEMESSAGE_ITD,new String[]{weaver.getLazyClassGen().getType().getName(),tName,munger.getKind().toString().toLowerCase(),getAspectType().getName(),fName + "String_Node_Str" + munger.getSignature()+ "String_Node_Str"}));
    }
  }
  return changed;
}

Fixed version (ground truth):
public boolean munge(BcelClassWeaver weaver){
  boolean changed=false;
  boolean worthReporting=true;
  if (munger.getKind() == ResolvedTypeMunger.Field) {
    changed=mungeNewField(weaver,(NewFieldTypeMunger)munger);
  }
 else   if (munger.getKind() == ResolvedTypeMunger.Method) {
    changed=mungeNewMethod(weaver,(NewMethodTypeMunger)munger);
  }
 else   if (munger.getKind() == ResolvedTypeMunger.PerObjectInterface) {
    changed=mungePerObjectInterface(weaver,(PerObjectInterfaceTypeMunger)munger);
    worthReporting=false;
  }
 else   if (munger.getKind() == ResolvedTypeMunger.PrivilegedAccess) {
    changed=mungePrivilegedAccess(weaver,(PrivilegedAccessMunger)munger);
    worthReporting=false;
  }
 else   if (munger.getKind() == ResolvedTypeMunger.Constructor) {
    changed=mungeNewConstructor(weaver,(NewConstructorTypeMunger)munger);
  }
 else   if (munger.getKind() == ResolvedTypeMunger.Parent) {
    changed=mungeNewParent(weaver,(NewParentTypeMunger)munger);
  }
 else {
    throw new RuntimeException("String_Node_Str");
  }
  if (changed && munger.changesPublicSignature()) {
    WeaverStateInfo info=weaver.getLazyClassGen().getOrCreateWeaverStateInfo();
    info.addConcreteMunger(this);
  }
  if (ResolvedTypeMunger.persistSourceLocation) {
    if (changed) {
      if (munger.getKind().equals(ResolvedTypeMunger.Parent)) {
        AsmRelationshipProvider.getDefault().addRelationship(weaver.getLazyClassGen().getType(),munger,getAspectType());
      }
 else {
        AsmRelationshipProvider.getDefault().addRelationship(weaver.getLazyClassGen().getType(),munger,getAspectType());
      }
    }
  }
  if (changed && worthReporting && munger != null && !weaver.getWorld().getMessageHandler().isIgnoring(IMessage.WEAVEINFO)) {
    String tName=weaver.getLazyClassGen().getType().getSourceLocation().getSourceFile().getName();
    if (tName.indexOf("String_Node_Str") != -1)     tName="String_Node_Str";
 else     tName=getShortname(weaver.getLazyClassGen().getType().getSourceLocation().getSourceFile().getPath());
    String fName=getShortname(getAspectType().getSourceLocation().getSourceFile().getPath());
    if (munger.getKind().equals(ResolvedTypeMunger.Parent)) {
      NewParentTypeMunger parentTM=(NewParentTypeMunger)munger;
      if (parentTM.getNewParent().isInterface()) {
        weaver.getWorld().getMessageHandler().handleMessage(WeaveMessage.constructWeavingMessage(WeaveMessage.WEAVEMESSAGE_DECLAREPARENTSIMPLEMENTS,new String[]{weaver.getLazyClassGen().getType().getName(),tName,parentTM.getNewParent().getName(),fName},weaver.getLazyClassGen().getClassName(),getAspectType().getName()));
      }
 else {
        System.err.println("String_Node_Str");
      }
    }
 else {
      weaver.getWorld().getMessageHandler().handleMessage(WeaveMessage.constructWeavingMessage(WeaveMessage.WEAVEMESSAGE_ITD,new String[]{weaver.getLazyClassGen().getType().getName(),tName,munger.getKind().toString().toLowerCase(),getAspectType().getName(),fName + "String_Node_Str" + munger.getSignature()+ "String_Node_Str"},weaver.getLazyClassGen().getClassName(),getAspectType().getName()));
    }
  }
  return changed;
}