Bernie supporters would give Clinton the edge if she won the primary.
I don't believe that for a minute. Every Bernie supporter I know would not support Clinton if she became the nominee. Every one I have seen interviewed say the same thing. I am being generous at guessing 50% would come over. It probably won't be that high but even so, 50% won't be enough to have her beat Trump.
And just to be clear, not that it matters, but Bernie is my choice to be president if I could vote.