If the layer shader local matrix is non-invertible, we end up with a
null layer shader and a null phase pass shader.
Bug: oss-fuzz:36099
Change-Id: I4fead885709e10b42e3e447d960151e0eb29e7d9
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/427337
Commit-Queue: Florin Malita <fmalita@chromium.org>
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: Florin Malita <fmalita@chromium.org>
Reviewed-by: John Stiles <johnstiles@google.com>
46f39a0aa0