Deleting a clone stops the parent sprite's sounds

[ericrosenbaum]

Expected behavior

Deleting a clone should not cause a sound played by the parent sprite to stop playing.

Actual behavior

Deleting a clone stops the parent sprite's sounds.

Steps to reproduce

This stack causes the music to stop after 1 second:

[mzgoddard]

This looks like a VM issue. The VM is instructing an AudioPlayer to stopAllSounds when a RenderedTarget is disposed of.