tree 1e404efaf5cc544f60086f71ee5cb9f56eee3ec6
parent 93d0146dc6a1a94fa1dca1c05272f1f46e777ddf
author Ben Wagner <bungeman@google.com> 1559793586 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1559825225 +0000

Fix GrBackendRenderTarget and GrBackendTexture operator=

Only check that the backends are different if both 'this' and 'that'
are valid.

Change-Id: I0b5701281c6b3fb7584b2d8bda3a78552d4ff99e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/218979
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>