SkPath::rewind needs to have same reset as SkPath::reset.

src/pathops/SkPathOpsSimplify.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SkAddIntersections.h"
 #include "SkOpEdgeBuilder.h"
 #include "SkPathOpsCommon.h"
 #include "SkPathWriter.h"
@@ skipping 146 matching lines @@
 
     // turn path into list of segments
     SkTArray<SkOpContour> contours;
     SkOpEdgeBuilder builder(path, contours);
     if (!builder.finish()) {
         return false;
     }
     SkTArray<SkOpContour*, true> contourList;
     MakeContourList(contours, contourList, false, false);
     SkOpContour** currentPtr = contourList.begin();
+    result->reset();
     result->setFillType(fillType);
-    result->reset();
     if (!currentPtr) {
         return true;
     }
     SkOpContour** listEnd = contourList.end();
     // find all intersections between segments
     do {
         SkOpContour** nextPtr = currentPtr;
         SkOpContour* current = *currentPtr++;
         if (current->containsCubics()) {
             AddSelfIntersectTs(current);
@@ skipping 17 matching lines @@
     {  // if some edges could not be resolved, assemble remaining fragments
         SkPath temp;
         temp.setFillType(fillType);
         SkPathWriter assembled(temp);
         Assemble(simple, &assembled);
         *result = *assembled.nativePath();
         result->setFillType(fillType);
     }
     return true;
 }