SkTArray<SkOpContour> contours;
// FIXME: add self-intersecting cubics' T values to segment
SkOpEdgeBuilder builder(*minuend, contours);
+ if (builder.unparseable()) {
+ return false;
+ }
const int xorMask = builder.xorMask();
builder.addOperand(*subtrahend);
if (!builder.finish()) {