#2358: add py3k warning to sys.exc_clear().
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 8e27844..385969f 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -169,8 +169,16 @@
static PyObject *
sys_exc_clear(PyObject *self, PyObject *noargs)
{
- PyThreadState *tstate = PyThreadState_GET();
+ PyThreadState *tstate;
PyObject *tmp_type, *tmp_value, *tmp_tb;
+
+ if (Py_Py3kWarningFlag &&
+ PyErr_Warn(PyExc_DeprecationWarning,
+ "sys.exc_clear() not supported in 3.x. "
+ "Use except clauses.") < 0)
+ return NULL;
+
+ tstate = PyThreadState_GET();
tmp_type = tstate->exc_type;
tmp_value = tstate->exc_value;
tmp_tb = tstate->exc_traceback;