This could happen for specific values of the 'dest' target.

Bug: chromium:1219082
(cherry picked from commit bd797f75)
Change-Id: I1895d2c614269f79376f49dbd87e279ca52c00a4
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2994730Reviewed-by: Jamie Madill <jmadill@chromium.org>
(cherry picked from commit 6bbd095a)
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3003382