Use Py_CLEAR

BadSingleton · BadSingleton · commit b35f4411f9fa · 2020-08-21T13:37:22.000-04:00
Addresses comment: pythonnet#958
diff --git a/src/runtime/methodobject.cs b/src/runtime/methodobject.cs
@@ -113,8 +113,7 @@ internal bool IsStatic()
 
         private void ClearMembers()
         {
-            Runtime.XDecref(doc);
-            doc = IntPtr.Zero;
+            Runtime.Py_CLEAR(ref doc);
             if (unbound != null)
             {
                 Runtime.XDecref(unbound.pyHandle);

Original file line number	Diff line number	Diff line change
`@@ -113,8 +113,7 @@ internal bool IsStatic()`
`113`	`113`
`114`	`114`	`private void ClearMembers()`
`115`	`115`	`{`
`116`		`- Runtime.XDecref(doc);`
`117`		`- doc = IntPtr.Zero;`
	`116`	`+ Runtime.Py_CLEAR(ref doc);`
`118`	`117`	`if (unbound != null)`
`119`	`118`	`{`
`120`	`119`	`Runtime.XDecref(unbound.pyHandle);`