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-rw-r--r--Include/object.h12
-rw-r--r--Misc/NEWS2
2 files changed, 9 insertions, 5 deletions
diff --git a/Include/object.h b/Include/object.h
index cfca64f..fb5376a 100644
--- a/Include/object.h
+++ b/Include/object.h
@@ -749,11 +749,13 @@ PyAPI_FUNC(void) _Py_AddToAllObjects(PyObject *, int force);
((PyObject*)(op))->ob_refcnt++)
#define Py_DECREF(op) \
- if (_Py_DEC_REFTOTAL _Py_REF_DEBUG_COMMA \
- --((PyObject*)(op))->ob_refcnt != 0) \
- _Py_CHECK_REFCNT(op) \
- else \
- _Py_Dealloc((PyObject *)(op))
+ do { \
+ if (_Py_DEC_REFTOTAL _Py_REF_DEBUG_COMMA \
+ --((PyObject*)(op))->ob_refcnt != 0) \
+ _Py_CHECK_REFCNT(op) \
+ else \
+ _Py_Dealloc((PyObject *)(op)) \
+ } while (0)
/* Safely decref `op` and set `op` to NULL, especially useful in tp_clear
* and tp_dealloc implementatons.
diff --git a/Misc/NEWS b/Misc/NEWS
index db86b51..f254bfd 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -207,6 +207,8 @@ Core and Builtins
- Issue #3845: In PyRun_SimpleFileExFlags avoid invalid memory access with
short file names.
+- Py_DECREF: Add `do { ... } while (0)' to avoid compiler warnings.
+
Library
-------