Program: 83815
Project: 83815
Buggy source:
@Override public void write(ClassWriter writer){
  int modifiers=this.modifiers & 0xFFFF;
  if (this.value == null) {
    modifiers|=Modifiers.ABSTRACT;
  }
  MethodWriter mw=new MethodWriterImpl(writer,writer.visitMethod(modifiers,this.name.qualified,this.getDescriptor(),this.getSignature(),this.getExceptions()));
  if ((this.modifiers & Modifiers.STATIC) == 0) {
    mw.setInstanceMethod();
  }
  for (int i=0; i < this.annotationCount; i++) {
    this.annotations[i].write(mw);
  }
  if ((this.modifiers & Modifiers.INLINE) == Modifiers.INLINE) {
    mw.addAnnotation("String_Node_Str",false);
  }
  if ((this.modifiers & Modifiers.INFIX) == Modifiers.INFIX) {
    mw.addAnnotation("String_Node_Str",false);
  }
  if ((this.modifiers & Modifiers.PREFIX) == Modifiers.PREFIX) {
    mw.addAnnotation("String_Node_Str",false);
  }
  if ((this.modifiers & Modifiers.DEPRECATED) == Modifiers.DEPRECATED) {
    mw.addAnnotation("String_Node_Str",true);
  }
  if ((this.modifiers & Modifiers.SEALED) == Modifiers.SEALED) {
    mw.addAnnotation("String_Node_Str",false);
  }
  for (int i=0; i < this.parameterCount; i++) {
    this.parameters[i].write(mw);
  }
  Label start=new Label();
  Label end=new Label();
  if (this.value != null) {
    if (this.value instanceof StatementList) {
      ((StatementList)this.value).topLevel=true;
    }
    mw.begin();
    mw.writeLabel(start);
    if (this.type == Types.VOID) {
      this.value.writeStatement(mw);
    }
 else {
      this.value.writeExpression(mw);
    }
    mw.writeLabel(end);
    mw.end(this.type);
  }
  if ((this.modifiers & Modifiers.STATIC) == 0) {
    mw.writeLocal("String_Node_Str",this.theClass.getType(),start,end,0);
  }
  for (int i=0; i < this.parameterCount; i++) {
    IParameter param=this.parameters[i];
    mw.writeLocal(param.getName().qualified,param.getType(),start,end,param.getIndex());
  }
}

Fixed version (ground truth):
@Override public void write(ClassWriter writer){
  int modifiers=this.modifiers & 0xFFFF;
  if (this.value == null) {
    modifiers|=Modifiers.ABSTRACT;
  }
  MethodWriter mw=new MethodWriterImpl(writer,writer.visitMethod(modifiers,this.name.qualified,this.getDescriptor(),this.getSignature(),this.getExceptions()));
  if ((this.modifiers & Modifiers.STATIC) == 0) {
    mw.setInstanceMethod();
  }
  for (int i=0; i < this.annotationCount; i++) {
    this.annotations[i].write(mw);
  }
  if ((this.modifiers & Modifiers.INLINE) == Modifiers.INLINE) {
    mw.addAnnotation("String_Node_Str",false);
  }
  if ((this.modifiers & Modifiers.INFIX) == Modifiers.INFIX) {
    mw.addAnnotation("String_Node_Str",false);
  }
  if ((this.modifiers & Modifiers.PREFIX) == Modifiers.PREFIX) {
    mw.addAnnotation("String_Node_Str",false);
  }
  if ((this.modifiers & Modifiers.DEPRECATED) == Modifiers.DEPRECATED) {
    mw.addAnnotation("String_Node_Str",true);
  }
  if ((this.modifiers & Modifiers.SEALED) == Modifiers.SEALED) {
    mw.addAnnotation("String_Node_Str",false);
  }
  for (int i=0; i < this.parameterCount; i++) {
    this.parameters[i].write(mw);
  }
  Label start=new Label();
  Label end=new Label();
  if (this.value != null) {
    mw.begin();
    mw.writeLabel(start);
    this.value.writeExpression(mw);
    mw.writeLabel(end);
    mw.end(this.type);
  }
  if ((this.modifiers & Modifiers.STATIC) == 0) {
    mw.writeLocal("String_Node_Str",this.theClass.getType(),start,end,0);
  }
  for (int i=0; i < this.parameterCount; i++) {
    IParameter param=this.parameters[i];
    mw.writeLocal(param.getName().qualified,param.getType(),start,end,param.getIndex());
  }
}