write 0 to our refcnt in the destructor, in the off-chance of it helping us

catch reuse-after-delete bugs (debug only)

git-svn-id: http://skia.googlecode.com/svn/trunk@2251 2bbb7eff-a529-9590-31e7-b0007b416f81

diff --git a/include/core/SkRefCnt.h b/include/core/SkRefCnt.h
index 4c9376b..7af0017 100644 (file)
--- a/include/core/SkRefCnt.h
+++ b/include/core/SkRefCnt.h
@@ -30,7 +30,12 @@ public:
 
     /**  Destruct, asserting that the reference count is 1.
     */
-    virtual ~SkRefCnt() { SkASSERT(fRefCnt == 1); }
+    virtual ~SkRefCnt() {
+#ifdef SK_DEBUG
+        SkASSERT(fRefCnt == 1);
+        fRefCnt = 0;    // illegal value, to catch us if we reuse after delete
+#endif
+    }
 
     /** Return the reference count.
     */