[GiNaC-list] issues with simplify_indexed()

[PG CLARK]

I've been trying to get a little program of mine to work and well it  
just doesn't terminate. Somewhere it gets snagged in an infinite loop  
in the library. I'm pretty sure this is a library bug and I've alerted  
development but in the mean while has an one encountered this before?  
Has any one figured out a work around? I've whittled my program down  
to the smallest most simple component I could get to non terminate.  
The code looks like this.

#include <iostream>
#include <ginac/ginac.h>
using namespace std;
using namespace GiNaC;

int main()
{
	symbol i_sym("i"), j_sym("j"), k_sym("k"), l_sym("l"), m_sym("m"),  
n_sym("n");
	idx i(i_sym, 2), j(j_sym, 2), k(k_sym, 2), l(l_sym, 2), m(m_sym, 2),  
n(n_sym, 2);

	symbol alpha_sym("\\alpha"), beta_sym("\\beta"), gamma_sym("\\gamma");
	idx Va(alpha_sym, 3), Vb(beta_sym, 3), Vg(gamma_sym, 3);

	symbol U("U"), v("v"), h("h");

	exvector IJKLMNVec;
	idx IJKLMNIA[] ={i, j, k, l, m, n};
	IJKLMNVec.assign (IJKLMNIA,IJKLMNIA+6);

	ex myEx = (indexed(h, IJKLMNVec)*indexed(U, i, Va)
         *indexed(U, k, Vb)*indexed(U, m, Vg)*indexed(v, j, Va)
	*indexed(v, l, Vb)*indexed(v, n, Vg)).simplify_indexed();

	cout << myEx << endl;

	return 0;
}

This code never makes it to the cout code. it get trapped in a loop  
before then.
Any one seen this before?

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