32bit files waveform bug

If I make big zoom in on 32bit waveform, this bug occur. After making “bounce selection” and replace, all seems ok.
https://youtu.be/3qOE_FXzf6s

https://youtu.be/94L9hc3IYpA

C7.5.4, osx 10.8.5

ps. There isn’t this bug in Cubase 8 with same progect