v2:
* Set pPipeline to NULL in the corresponding
graphics/compute_create_pipeline function.
* Keep current ANV behavior of bailing on the first real error.
v3:
* Don't return early if the pipeline succeeded.
v:4(5?):
* Simplify return conditions.
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5136>