fix pathops fuzz bugs

src/pathops/SkIntersections.h

Index: src/pathops/SkIntersections.h
diff --git a/src/pathops/SkIntersections.h b/src/pathops/SkIntersections.h
index b733ed0ea7f654847fbe6b3629c02af886d36858..474142b269607f2a4b102e0fa88f9f5fe617ae2a 100644
--- a/src/pathops/SkIntersections.h
+++ b/src/pathops/SkIntersections.h
@@ -15,9 +15,10 @@
 
 class SkIntersections {
 public:
-    SkIntersections()
+    SkIntersections(SkDEBUGCODE(SkOpGlobalState* globalState = nullptr))
         : fSwap(0)
 #ifdef SK_DEBUG
+        SkDEBUGPARAMS(fDebugGlobalState(globalState))
         , fDepth(0)
 #endif
     {
@@ -102,6 +103,10 @@ public:
         return intersect(cubic, line);
     }
 
+#ifdef SK_DEBUG
+    SkOpGlobalState* debugGlobalState() { return fDebugGlobalState; }
+#endif
+
     bool hasT(double t) const {
         SkASSERT(t == 0 || t == 1);
         return fUsed > 0 && (t == 0 ? fT[0][0] == 0 : fT[0][fUsed - 1] == 1);
@@ -309,6 +314,7 @@ private:
     bool fAllowNear;
     bool fSwap;
 #ifdef SK_DEBUG
+    SkOpGlobalState* fDebugGlobalState;
     int fDepth;
 #endif
 #if DEBUG_T_SECT_LOOP_COUNT