750     const SkOpSpanBase* span = &fHead;  in debugAddT()
780     const SkOpSpanBase* base = &fHead;  in debugCheckAngleCoin()
809     const SkOpSpan* span = &fHead;  in debugClearAll()
867     const SkOpSpanBase* spanBase = &fHead;  in debugMissingCoincidence()
884             if (spanBase == &fHead) {  in debugMissingCoincidence()
960     DebugClearVisited(&fHead);  in debugMissingCoincidence()
968     const SkOpSpanBase* test = &fHead;  in debugMoveMultiples()
1065     const SkOpSpanBase* spanBase = &fHead;  in debugMoveNearby()
1074                     if (spanBase == &fHead) {  in debugMoveNearby()
1089     spanBase = &fHead;  in debugMoveNearby()
1146     const SkOpSpan* span = &fHead;  in debugShowActiveSpans()
1584     const SkCoincidentSpans* span = fHead;  in debugAddEndMovedSpans()
1632     const SkCoincidentSpans* coin = this->fHead;  in debugAddExpanded()
1767     if (fHead && !this->checkOverlap(fHead, coinSeg, oppSeg, coinTs,  in debugAddOrOverlap()
1790         if (!fHead) { this->debugRelease(log, fHead, test);  in debugAddOrOverlap()
1866         fHead->debugShow();  in debugAddOrOverlap()
1878     const SkCoincidentSpans* outer = fHead;  in debugAddMissing()
1983             } else if (head == fHead) {  in debugRelease()
1996     const SkCoincidentSpans* coin = fHead;  in debugRelease()
2013     const SkCoincidentSpans* coin = fHead;  in debugExpand()
2021             const SkCoincidentSpans* test = fHead;  in debugExpand()
2028 …             if (log) log->record(SkPathOpsDebug::kExpandCoin_Glitch, fHead, test->coinPtTStart());  in debugExpand()
2041     const SkCoincidentSpans* coin = fHead;  in debugMark()
2106     this->debugMarkCollapsed(log, fHead, test);  in debugMarkCollapsed()
2120     const SkCoincidentSpans* span = fHead;  in debugShowCoincidence()
2258     DebugValidate(fHead, fTop, nullptr);  in debugValidate()
2286     DebugCheckBetween(fHead, fTop, nullptr);  in debugCheckBetween()
2293     const SkOpSegment* segment = &fHead;  in debugCheckHealth()
2301     DebugValidate(fHead, fTop, log);  in debugCheckValid()
2307     const SkCoincidentSpans* coin = fHead;  in debugCorrectEnds()
2319     const SkOpSegment* segment = &fHead;  in debugMissingCoincidence()
2332     const SkOpSegment* segment = &fHead;  in debugMoveMultiples()
2343     const SkOpSegment* segment = &fHead;  in debugMoveNearby()
2364         const SkOpSpanBase* span = &fHead;  in debugValidate()
2368         span = &fHead;  in debugValidate()
2381     const SkOpSpanBase* span = &fHead;  in debugValidate()