OK, anti-semitism in France's National party.    Reasonable accusations of that, but from 20-30 years ago.

Lately however,  Jewish voters in France are increasingly supporting Le Pen.  They are still a minority (13% or so), but many of them don't believe that defense against Muslim extremism can be fairly termed xenophobia.

http://www.timesofisrael.com/as-french-jews-vote-for-le-pen-a-case-of-the-enemy-of-my-enemy/