From 9c16d1e766b60b2d87e2050298a3aa321f394648 Mon Sep 17 00:00:00 2001
From: Cary Clark <caryclark@google.com>
Date: Mon, 19 Dec 2016 11:16:36 -0500
Subject: [PATCH] handle empty contours in a couple more places

R=kjlubick@google.com
BUG=skia:6061

Change-Id: I5b465f1495f80a5ac44253cadf4afd7f509fa75b
Reviewed-on: https://skia-review.googlesource.com/6268
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Cary Clark <caryclark@google.com>
---
 src/pathops/SkOpContour.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/pathops/SkOpContour.h b/src/pathops/SkOpContour.h
index 03230e1e90..a7a6beefc7 100644
--- a/src/pathops/SkOpContour.h
+++ b/src/pathops/SkOpContour.h
@@ -292,6 +292,9 @@ public:
     void resetReverse() {
         SkOpContour* next = this;
         do {
+            if (!next->count()) {
+                continue;
+            }
             next->fCcw = -1;
             next->fReverse = false;
         } while ((next = next->next()));
@@ -405,6 +408,9 @@ public:
     void joinAllSegments() {
         SkOpContour* next = this;
         do {
+            if (!next->count()) {
+                continue;
+            }
             next->joinSegments();
         } while ((next = next->next()));
     }