Comment # 23 on bug 89069 from Daniel Scharrer

FWIW, grass (and GPU faults) disappears when setting "unsafe-fp-math" for
*either* vertex or fragment shaders - or does this attribute affect the whole
program?

VS  GS  PS  Grass missing  GPU faults
✗   ✗   ✗   ✗              ✓
✗   ✗   ✓   ✓              ✗
✗   ✓   ✗   ✗              ✓
✗   ✓   ✓   ✓              ✗
✓   ✗   ✗   ✓              ✗
✓   ✗   ✓   ✓              ✗
✓   ✓   ✗   ✓              ✗
✓   ✓   ✓   ✓              ✗