tree 8c7e11efbc4c108252a219c763010d5035b10846
parent f5d4746ad73ef5eabc927d3d988bb9ee97c77921
author reed <reed@google.com> 1456006707 -0800
committer Commit bot <commit-bot@chromium.org> 1456006707 -0800

fix misc asserts and checks found by fuzzer

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1713383002

TBR=robertphilips

Review URL: https://codereview.chromium.org/1713383002