It seems that the fix the we're crashing on in Skia was introduced by them upstream in 2011, before 10.9 was ever released. Whether or not the check is still necessary seems an open question, but for now, let's just avoid it when a color font is being used, which should at least work around this bug for now...
Bug 1591432 Comment 4 Edit History
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It seems that the fix the we're crashing on in Skia was introduced by them upstream in 2011, before 10.9 was ever released. Whether or not the check is still necessary seems an open question, but for now, let's just avoid it when a color font is being used, which should at least work around this bug.