fix some pathops bugs found in 1M skps

src/pathops/SkPathOpsTypes.h

Index: src/pathops/SkPathOpsTypes.h
diff --git a/src/pathops/SkPathOpsTypes.h b/src/pathops/SkPathOpsTypes.h
index 2cd45a5c4d9a5b528e56a7671decef49a8cba429..f85c6653eb05d5eae6807b0373abf704ab880c9a 100644
--- a/src/pathops/SkPathOpsTypes.h
+++ b/src/pathops/SkPathOpsTypes.h
@@ -25,6 +25,8 @@ enum SkPathOpsMask {
 class SkOpCoincidence;
 class SkOpContour;
 class SkOpContourHead;
+class SkIntersections;
+class SkIntersectionHelper;
 
 class SkOpGlobalState {
 public:
@@ -41,7 +43,7 @@ public:
         kMaxWindingTries = 10
     };
 
-    bool angleCoincidence() {
+    bool angleCoincidence() const {
         return fAngleCoincidence;
     }
 
@@ -71,6 +73,14 @@ public:
     const char* debugTestName() const { return fDebugTestName; }
 #endif
 
+#if DEBUG_T_SECT_LOOP_COUNT
+    void debugAddLoopCount(SkIntersections* , const SkIntersectionHelper& ,
+        const SkIntersectionHelper& );
+    void debugDoYourWorst(SkOpGlobalState* );
+    void debugLoopReport();
+    void debugResetLoopCounts();
+#endif
+
     int nested() const {
         return fNested;
     }
@@ -80,9 +90,14 @@ public:
         return ++fAngleID;
     }
 
+    int nextCoinID() {
+        return ++fCoinID;
+    }
+
     int nextContourID() {
         return ++fContourID;
     }
+
     int nextPtTID() {
         return ++fPtTID;
     }
@@ -132,11 +147,18 @@ private:
 #ifdef SK_DEBUG
     const char* fDebugTestName;
     int fAngleID;
+    int fCoinID;
     int fContourID;
     int fPtTID;
     int fSegmentID;
     int fSpanID;
 #endif
+#if DEBUG_T_SECT_LOOP_COUNT
+    int fDebugLoopCount[3];
+    SkPath::Verb fDebugWorstVerb[6];
+    SkPoint fDebugWorstPts[24];
+    float fDebugWorstWeight[6];
+#endif
 };
 
 // Use Almost Equal when comparing coordinates. Use epsilon to compare T values.