#include "TClonesArray.h"
#include <vector>
#include <iostream>

// very simple class to be used with a TClonesArray
class MyClass: public TObject 
{
public:
    MyClass() {};
    ~MyClass() {};
    std::vector<int> fVec;
    ClassDef(MyClass,1)
};

void testtca(int num=100000)
{	
    TClonesArray *tca = new TClonesArray("MyClass",1100);
	
    for (int i=0;i<num;++i) 
    {
        if ((i%100)==0) cout <<i<<endl;
	tca->Clear();
		
	for (int  j=0;j<1000;++j) 
        {
	    MyClass *c= new ((*tca)[j]) MyClass();
	    c->fVec.push_back(42); // <-  THIS IS THE BAD GUY!!1
	    c->fVec.clear();
	}
    }	
}