quad and conic do not intersect

src/pathops/SkPathOpsTSect.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef SkPathOpsTSect_DEFINED
 #define SkPathOpsTSect_DEFINED
 
 #include "SkChunkAlloc.h"
@@ skipping 777 matching lines @@
 #if DEBUG_VALIDATE
     SkASSERT(this != fPrev);
     SkASSERT(this != fNext);
     SkASSERT(fNext == nullptr || fNext != fPrev);
     SkASSERT(fNext == nullptr || this == fNext->fPrev);
     SkASSERT(fPrev == nullptr || this == fPrev->fNext);
     this->validateBounded();
 #endif
 #if DEBUG_T_SECT
     SkASSERT(fBounds.width() || fBounds.height() || fCollapsed);
-    SkASSERT(fBoundsMax == SkTMax(fBounds.width(), fBounds.height()));
+    SkASSERT(fBoundsMax == SkTMax(fBounds.width(), fBounds.height()) || fCollapsed == 0xFF);
     SkASSERT(0 <= fStartT);
     SkASSERT(fEndT <= 1);
     SkASSERT(fStartT <= fEndT);
-    SkASSERT(fBounded);
+    SkASSERT(fBounded || fCollapsed == 0xFF);
     if (fHasPerp) {
         if (fCoinStart.isCoincident()) {
             validatePerpT(fCoinStart.perpT());
             validatePerpPt(fCoinStart.perpT(), fCoinStart.perpPt());
         }
         if (fCoinEnd.isCoincident()) {
             validatePerpT(fCoinEnd.perpT());
             validatePerpPt(fCoinEnd.perpT(), fCoinEnd.perpPt());
         }
     }
@@ skipping 1503 matching lines @@
             --last;
         } else {
             intersections->setCoincident(index++);
         }
         intersections->setCoincident(index);
     }
     SkASSERT(intersections->used() <= TCurve::kMaxIntersections);
 }
 
 #endif