Output with current master:

```
bench_bitcoin: bench/coin_selection.cpp:53: void CoinSelection(benchmark::State&): Assertion `success' failed.
#include <bench/bench.h>
#include <wallet/wallet.h>
#include <wallet/coinselection.h>
#include <set>
static void addCoin(const CAmount& nValue, const CWallet& wallet, std::vector<OutputGroup>& groups)
{
    int nInput = 0;
    static int nextLockTime = 0;
    CMutableTransaction tx;
    tx.nLockTime = nextLockTime++; 
    tx.vout.resize(nInput + 1);
    tx.vout[nInput].nValue = nValue;
    CWalletTx* wtx = new CWalletTx(&wallet, MakeTransactionRef(std::move(tx)));
    int nAge = 6 * 24;
    COutput output(wtx, nInput, nAge, true , true , true );
    groups.emplace_back(output.GetInputCoin(), 0, false, 0, 0);
}
static void CoinSelection(benchmark::State& state)