tree d71aaea42b7d5383c2944dc8a5a062ca73600af9
parent 30595ea7c7825fb170d546cf77602e37b2ec8bd6
author Greg Kaiser <gkaiser@google.com> 1549896346 -0800
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1549907582 +0000

skc: Avoid undefined variable modification

Our code had two modifications of 'from' without a sequence point
between them.  This leaves the behavior undefined.  We change
the code to only modify 'from' once, and have this behavior
well defined.

Change-Id: Ifa4fb191ecc071fdb4793901eaef777294709467
Reviewed-on: https://skia-review.googlesource.com/c/191320
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>