1051                 SkOpSpanBase* oNext = oStart->next();  in apply()  local
1052                 if (oNext == oEnd) {  in apply()
1055                 FAIL_IF(!oNext->upCastable());  in apply()
1056                 oStart = oNext->upCast();  in apply()
1135             SkOpSpanBase* oNext = flipped ? oStart->prev() : oStart->next();  in apply()  local
1142             if (!oNext || !oNext->upCastable()) {  in apply()
1143                oNext = oStart;  in apply()
1145             oStart = oNext->upCast();  in apply()
1365         SkOpSpanBase* oNext = oStart;  in mark()  local
1372         while ((oNext = oNext->upCast()->next()) != oEnd) {  in mark()
1373             FAIL_IF(!oNext->upCastable());  in mark()
1374             FAIL_IF(!oNext->upCast()->insertCoincidence(segment, flipped, ordered));  in mark()