Potential fix for array bounds warning.

src/pathops/SkDCubicToQuads.cpp

 /*
 http://stackoverflow.com/questions/2009160/how-do-i-convert-the-2-control-points-of-a-cubic-curve-to-the-single-control-poi
 */
 
 /*
 Let's call the control points of the cubic Q0..Q3 and the control points of the quadratic P0..P2.
 Then for degree elevation, the equations are:
 
 Q0 = P0
 Q1 = 1/3 P0 + 2/3 P1
@@ skipping 118 matching lines @@
         inflections += findMaxCurvature(&inflectT[inflections]);
         SkASSERT(inflections <= 5);
     }
     SkTQSort<double>(inflectT, &inflectT[inflections - 1]);
     // OPTIMIZATION: is this filtering common enough that it needs to be pulled out into its
     // own subroutine?
     while (inflections && approximately_less_than_zero(inflectT[0])) {
         memmove(inflectT, &inflectT[1], sizeof(inflectT[0]) * --inflections);
     }
     int start = 0;
-    do {
-        int next = start + 1;
-        if (next >= inflections) {
-            break;
-        }
+    int next = 1; 
+    while (next < inflections) {
         if (!approximately_equal(inflectT[start], inflectT[next])) {
             ++start;
+            ++next;
             continue;
         }
         memmove(&inflectT[start], &inflectT[next], sizeof(inflectT[0]) * (--inflections - start));
-    } while (true);
+    }
+
     while (inflections && approximately_greater_than_one(inflectT[inflections - 1])) {
         --inflections;
     }
     SkDCubicPair pair;
     if (inflections == 1) {
         pair = chopAt(inflectT[0]);
         int orderP1 = reducer.reduce(pair.first(), SkReduceOrder::kNo_Quadratics);
         if (orderP1 < 2) {
             --inflections;
         } else {
@@ skipping 19 matching lines @@
         for (int idx = 0; idx < last; ++idx) {
             part = subDivide(inflectT[idx], inflectT[idx + 1]);
             addTs(part, precision, inflectT[idx], inflectT[idx + 1], ts);
         }
         part = subDivide(inflectT[last], 1);
         addTs(part, precision, inflectT[last], 1, ts);
         return;
     }
     addTs(*this, precision, 0, 1, ts);
 }