vm -> tangerineWhistle: only delete touched accounts on spuriousDragon or later (EIP-161)
vm -> tangerineWhistle: only delete touched accounts on spuriousDragon or later (EIP-161)

ethereumjs/ethereumjs-vm,ethereumjs/ethereumjs-vm,ethereumjs/ethereumjs-vm,ethereumjs/ethereumjs-vm,ethereum/ethereumjs-vm,ethereumjs/ethereumjs-vm