[Intel-gfx] [PATCH] drm/i915/selftests: Markup impossible error pointers

[Matthew Auld]

On 27/08/2019 10:49, Chris Wilson wrote:
> If we create a new live_context() we should have a mapping for each
> engine. Document that assumption with an assertion.
> 
> Reported-by: Dan Carpenter <dan.carpenter at oracle.com>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Matthew Auld <matthew.auld at intel.com>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>