Program: 83864
Project: 83864
Buggy source:
@Override public IType resolve(MarkerList markers,IContext context){
  if (this.theClass != null) {
    return this;
  }
  IClass iclass;
  if (this.fullName != null) {
    iclass=Package.rootPackage.resolveClass(this.fullName);
  }
 else {
    iclass=context.resolveClass(this.qualifiedName);
  }
  if (iclass != null) {
    this.theClass=iclass;
    this.fullName=iclass.getFullName();
    if (iclass instanceof CaptureClass) {
      return new WildcardType(this.position,this.arrayDimensions,(CaptureClass)iclass);
    }
    if (this.generics == null) {
      return this;
    }
    int varCount=this.theClass.genericCount();
    if (varCount == 0) {
      if (this.genericCount != 0 && markers != null) {
        markers.add(this.position,"String_Node_Str",this.qualifiedName);
      }
      return this;
    }
    if (varCount != this.genericCount && markers != null) {
      markers.add(this.position,"String_Node_Str");
      return this;
    }
    for (int i=0; i < this.genericCount; i++) {
      IType t1=this.generics[i];
      IType t2=t1.resolve(markers,context);
      if (t1 != t2) {
        this.generics[i]=t2;
      }
      if (markers != null) {
        ITypeVariable var=this.theClass.getTypeVariable(i);
        if (!var.isSuperTypeOf(t2)) {
          Marker marker=markers.create(t2.getPosition(),"String_Node_Str",var.getQualifiedName());
          marker.addInfo("String_Node_Str" + t2);
          marker.addInfo("String_Node_Str" + var);
        }
      }
    }
    return this;
  }
  if (markers != null) {
    markers.add(this.position,"String_Node_Str",this.toString());
  }
  return this;
}

Fixed version (ground truth):
@Override public IType resolve(MarkerList markers,IContext context){
  if (this.theClass != null) {
    return this;
  }
  IClass iclass;
  if (this.fullName != null) {
    iclass=Package.rootPackage.resolveClass(this.fullName);
  }
 else {
    iclass=context.resolveClass(this.qualifiedName);
  }
  if (iclass != null) {
    this.theClass=iclass;
    this.fullName=iclass.getFullName();
    if (iclass instanceof CaptureClass) {
      return new WildcardType(this.position,this.arrayDimensions,(CaptureClass)iclass);
    }
    if (this.generics == null) {
      return this;
    }
    int varCount=this.theClass.genericCount();
    if (varCount == 0) {
      if (this.genericCount != 0 && markers != null) {
        markers.add(this.position,"String_Node_Str",this.qualifiedName);
      }
      return this;
    }
    if (varCount != this.genericCount && markers != null) {
      markers.add(this.position,"String_Node_Str");
      return this;
    }
    if (markers == null) {
      for (int i=0; i < this.genericCount; i++) {
        this.generics[i]=this.generics[i].resolve(markers,context);
      }
      return this;
    }
    for (int i=0; i < this.genericCount; i++) {
      IType t1=this.generics[i];
      IType t2=this.generics[i]=t1.resolve(markers,context);
      ITypeVariable var=this.theClass.getTypeVariable(i);
      if (!var.isSuperTypeOf(t2)) {
        Marker marker=markers.create(t2.getPosition(),"String_Node_Str",var.getQualifiedName());
        marker.addInfo("String_Node_Str" + t2);
        marker.addInfo("String_Node_Str" + var);
      }
    }
    return this;
  }
  if (markers != null) {
    markers.add(this.position,"String_Node_Str",this.toString());
  }
  return this;
}