Program: 61736
Project: 61736
Buggy source:
public void generateTraitsPhase2(String pkg,List<GraphTargetItem> items,Trait[] traits,List<Integer> openedNamespaces,SourceGeneratorLocalData localData) throws CompilationException {
  for (int k=0; k < items.size(); k++) {
    GraphTargetItem item=items.get(k);
    if (traits[k] == null) {
      continue;
    }
 else     if (item instanceof InterfaceAVM2Item) {
      traits[k].name_index=traitName(((InterfaceAVM2Item)item).namespace,((InterfaceAVM2Item)item).name);
    }
 else     if (item instanceof ClassAVM2Item) {
      traits[k].name_index=traitName(((ClassAVM2Item)item).namespace,((ClassAVM2Item)item).className);
    }
 else     if ((item instanceof MethodAVM2Item) || (item instanceof GetterAVM2Item) || (item instanceof SetterAVM2Item)) {
      traits[k].name_index=traitName(genNs(((MethodAVM2Item)item).customNamespace,((MethodAVM2Item)item).namespace,openedNamespaces,localData),((MethodAVM2Item)item).functionName);
    }
 else     if (item instanceof FunctionAVM2Item) {
      traits[k].name_index=traitName(((FunctionAVM2Item)item).namespace,((FunctionAVM2Item)item).functionName);
    }
 else     if (item instanceof ConstAVM2Item) {
      traits[k].name_index=traitName(genNs(((ConstAVM2Item)item).customNamespace,((ConstAVM2Item)item).getNamespace(),openedNamespaces,localData),((ConstAVM2Item)item).var);
    }
 else     if (item instanceof SlotAVM2Item) {
      traits[k].name_index=traitName(genNs(((SlotAVM2Item)item).customNamespace,((SlotAVM2Item)item).getNamespace(),openedNamespaces,localData),((SlotAVM2Item)item).var);
    }
  }
  for (int k=0; k < items.size(); k++) {
    GraphTargetItem item=items.get(k);
    if (traits[k] == null) {
      continue;
    }
    if (item instanceof ClassAVM2Item) {
      InstanceInfo instanceInfo=abc.instance_info.get(((TraitClass)traits[k]).class_info);
      instanceInfo.name_index=abc.constants.addMultiname(new Multiname(Multiname.QNAME,abc.constants.getStringId(((ClassAVM2Item)item).className,true),abc.constants.getNamespaceId(new Namespace(Namespace.KIND_PACKAGE,abc.constants.getStringId(pkg,true)),0,true),0,0,new ArrayList<Integer>()));
      if (((ClassAVM2Item)item).extendsOp != null) {
        instanceInfo.super_index=typeName(localData,((ClassAVM2Item)item).extendsOp);
      }
 else {
        instanceInfo.super_index=abc.constants.getMultinameId(new Multiname(Multiname.QNAME,str("String_Node_Str"),namespace(Namespace.KIND_PACKAGE,"String_Node_Str"),0,0,new ArrayList<Integer>()),true);
      }
      instanceInfo.interfaces=new int[((ClassAVM2Item)item).implementsOp.size()];
      for (int i=0; i < ((ClassAVM2Item)item).implementsOp.size(); i++) {
        instanceInfo.interfaces[i]=superIntName(((ClassAVM2Item)item).implementsOp.get(i));
      }
    }
    if (item instanceof InterfaceAVM2Item) {
      InstanceInfo instanceInfo=abc.instance_info.get(((TraitClass)traits[k]).class_info);
      instanceInfo.name_index=abc.constants.addMultiname(new Multiname(Multiname.QNAME,abc.constants.getStringId(((InterfaceAVM2Item)item).name,true),abc.constants.getNamespaceId(new Namespace(Namespace.KIND_PACKAGE,abc.constants.getStringId(pkg,true)),0,true),0,0,new ArrayList<Integer>()));
      instanceInfo.interfaces=new int[((InterfaceAVM2Item)item).superInterfaces.size()];
      for (int i=0; i < ((InterfaceAVM2Item)item).superInterfaces.size(); i++) {
        GraphTargetItem un=((InterfaceAVM2Item)item).superInterfaces.get(i);
        instanceInfo.interfaces[i]=superIntName(un);
      }
    }
  }
}

Fixed version (ground truth):
public void generateTraitsPhase2(String pkg,List<GraphTargetItem> items,Trait[] traits,List<Integer> openedNamespaces,SourceGeneratorLocalData localData) throws CompilationException {
  for (int k=0; k < items.size(); k++) {
    GraphTargetItem item=items.get(k);
    if (traits[k] == null) {
      continue;
    }
 else     if (item instanceof InterfaceAVM2Item) {
      traits[k].name_index=traitName(((InterfaceAVM2Item)item).namespace,((InterfaceAVM2Item)item).name);
    }
 else     if (item instanceof ClassAVM2Item) {
      traits[k].name_index=traitName(((ClassAVM2Item)item).namespace,((ClassAVM2Item)item).className);
    }
 else     if ((item instanceof MethodAVM2Item) || (item instanceof GetterAVM2Item) || (item instanceof SetterAVM2Item)) {
      traits[k].name_index=traitName(genNs(pkg,((MethodAVM2Item)item).customNamespace,((MethodAVM2Item)item).namespace,openedNamespaces,localData,((MethodAVM2Item)item).line),((MethodAVM2Item)item).functionName);
    }
 else     if (item instanceof FunctionAVM2Item) {
      traits[k].name_index=traitName(((FunctionAVM2Item)item).namespace,((FunctionAVM2Item)item).functionName);
    }
 else     if (item instanceof ConstAVM2Item) {
      traits[k].name_index=traitName(genNs(pkg,((ConstAVM2Item)item).customNamespace,((ConstAVM2Item)item).getNamespace(),openedNamespaces,localData,((ConstAVM2Item)item).line),((ConstAVM2Item)item).var);
    }
 else     if (item instanceof SlotAVM2Item) {
      traits[k].name_index=traitName(genNs(pkg,((SlotAVM2Item)item).customNamespace,((SlotAVM2Item)item).getNamespace(),openedNamespaces,localData,((SlotAVM2Item)item).line),((SlotAVM2Item)item).var);
    }
  }
  for (int k=0; k < items.size(); k++) {
    GraphTargetItem item=items.get(k);
    if (traits[k] == null) {
      continue;
    }
    if (item instanceof ClassAVM2Item) {
      InstanceInfo instanceInfo=abc.instance_info.get(((TraitClass)traits[k]).class_info);
      instanceInfo.name_index=abc.constants.addMultiname(new Multiname(Multiname.QNAME,abc.constants.getStringId(((ClassAVM2Item)item).className,true),abc.constants.getNamespaceId(new Namespace(Namespace.KIND_PACKAGE,abc.constants.getStringId(pkg,true)),0,true),0,0,new ArrayList<Integer>()));
      if (((ClassAVM2Item)item).extendsOp != null) {
        instanceInfo.super_index=typeName(localData,((ClassAVM2Item)item).extendsOp);
      }
 else {
        instanceInfo.super_index=abc.constants.getMultinameId(new Multiname(Multiname.QNAME,str("String_Node_Str"),namespace(Namespace.KIND_PACKAGE,"String_Node_Str"),0,0,new ArrayList<Integer>()),true);
      }
      instanceInfo.interfaces=new int[((ClassAVM2Item)item).implementsOp.size()];
      for (int i=0; i < ((ClassAVM2Item)item).implementsOp.size(); i++) {
        instanceInfo.interfaces[i]=superIntName(((ClassAVM2Item)item).implementsOp.get(i));
      }
    }
    if (item instanceof InterfaceAVM2Item) {
      InstanceInfo instanceInfo=abc.instance_info.get(((TraitClass)traits[k]).class_info);
      instanceInfo.name_index=abc.constants.addMultiname(new Multiname(Multiname.QNAME,abc.constants.getStringId(((InterfaceAVM2Item)item).name,true),abc.constants.getNamespaceId(new Namespace(Namespace.KIND_PACKAGE,abc.constants.getStringId(pkg,true)),0,true),0,0,new ArrayList<Integer>()));
      instanceInfo.interfaces=new int[((InterfaceAVM2Item)item).superInterfaces.size()];
      for (int i=0; i < ((InterfaceAVM2Item)item).superInterfaces.size(); i++) {
        GraphTargetItem un=((InterfaceAVM2Item)item).superInterfaces.get(i);
        instanceInfo.interfaces[i]=superIntName(un);
      }
    }
  }
}