Fix computation of bound in FillBounds::updateSaveBounds

src/core/SkRecordDraw.cpp

Index: src/core/SkRecordDraw.cpp
diff --git a/src/core/SkRecordDraw.cpp b/src/core/SkRecordDraw.cpp
index 6a2a5e3677b4395b980f6e0b23b110ddafc5fd89..3d6f3a032159e0f67a0c35dcd1cc59c85b5e9fb8 100644
--- a/src/core/SkRecordDraw.cpp
+++ b/src/core/SkRecordDraw.cpp
@@ -220,7 +220,10 @@ public:
 
         // Nothing can draw outside the current clip.
         // (Only bounded ops call into this method, so oddballs like Clear don't matter here.)
-        rect.intersect(fCurrentClipBounds);
+        if (!rect.intersect(fCurrentClipBounds)) {
+            return Bounds::MakeEmpty();
+        }
+
         return rect;
     }