Program: 83904
Project: 83904
Buggy source:
@Override public IType resolve(List<Marker> 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 (markers == null || this.generics == null) {
      return this;
    }
    List<ITypeVariable> variables=iclass.getTypeVariables();
    int len=this.generics.size();
    if (variables == null) {
      if (len != 0) {
        markers.add(Markers.create(this.position,"String_Node_Str",this.qualifiedName));
      }
      return this;
    }
    if (variables.size() != len) {
      markers.add(Markers.create(this.position,"String_Node_Str"));
      return this;
    }
    for (int i=0; i < len; i++) {
      IType t1=this.generics.get(i);
      IType t2=t1.resolve(markers,context);
      if (t1 != t2) {
        this.generics.set(i,t2);
      }
      ITypeVariable var=variables.get(i);
      if (!var.isSuperTypeOf(t2)) {
        Marker marker=Markers.create(t1.getPosition(),"String_Node_Str",var.getQualifiedName());
        marker.addInfo("String_Node_Str" + t2);
        marker.addInfo("String_Node_Str" + var);
        markers.add(marker);
      }
    }
    return this;
  }
  if (markers != null) {
    markers.add(Markers.create(this.position,"String_Node_Str",this.toString()));
  }
  return this;
}

Fixed version (ground truth):
@Override public IType resolve(List<Marker> 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;
    }
    List<ITypeVariable> variables=iclass.getTypeVariables();
    int len=this.generics.size();
    if (variables == null) {
      if (len != 0 && markers != null) {
        markers.add(Markers.create(this.position,"String_Node_Str",this.qualifiedName));
      }
      return this;
    }
    if (variables.size() != len && markers != null) {
      markers.add(Markers.create(this.position,"String_Node_Str"));
      return this;
    }
    for (int i=0; i < len; i++) {
      IType t1=this.generics.get(i);
      IType t2=t1.resolve(markers,context);
      if (t1 != t2) {
        this.generics.set(i,t2);
      }
      if (markers != null) {
        ITypeVariable var=variables.get(i);
        if (!var.isSuperTypeOf(t2)) {
          Marker marker=Markers.create(t1.getPosition(),"String_Node_Str",var.getQualifiedName());
          marker.addInfo("String_Node_Str" + t2);
          marker.addInfo("String_Node_Str" + var);
          markers.add(marker);
        }
      }
    }
    return this;
  }
  if (markers != null) {
    markers.add(Markers.create(this.position,"String_Node_Str",this.toString()));
  }
  return this;
}