tonihei 2e749f70ae Don't support upstream discard from spliced-in chunks.
We can't restore the previous state of the remaining chunk, so we can't
support discarding from spliced-in chunks. Mark this explicitly instead
of attempting to discard from the previous chunk.

PiperOrigin-RevId: 318983628
2020-07-03 09:00:01 +01:00
..