Steps to reproduce:
1. Download and open attached project "lefteyepointlightongraphicsjob - final.zip"
2. Open scene "test"
3. Make sure VR mode is on, along with Single-Pass Stereo rendering
4. Press space to create a fireball while in play mode

Actual result: There is stereo discrepancy between the eyes for the fire ball, which has no material
Expected result: Both eyes see normal view

Tested and reproduced on:
Windows 10
Unity 5.4.0b22, 5.4.0b25

Could not test prior 5.4, because there was no Single-Pass option