Node.js crashes when calling writeFloatBE with noAssert

A simple script to crash Node.js follows,

``` js
var b = new Buffer(1)
b.writeFloatLE(11.11, 0, true)
```

<img width="1407" alt="screen shot 2015-11-11 at 14 58 05" src="https://cloud.githubusercontent.com/assets/13315/11085758/f6e7bfae-8884-11e5-8043-c556f4ccfa6c.png">
