Crash when pasting content with final bar empty into score without enough bars

1. Open attached score (produced in 2.0).
2. 'Select All'.
3. 'Copy'.
4. Create one-bar piano score.
5. Click on bar rest of the treble stave in the new score.
6. 'Paste'.

Result: Crash.

Notes: See attached log. It doesn't seem reproducible if copying from a 1.3 score.

Using MuseScore 2.0 Nightly Build (72efce5) - Mac 10.7.5.