Antoine Pitrou's patch for bug 2507; exception state lives too long in
3.0.
diff --git a/Python/ceval.c b/Python/ceval.c
index bac8278..defd002 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -1477,6 +1477,19 @@
"'finally' pops bad exception");
why = WHY_EXCEPTION;
}
+ /*
+ Make sure the exception state is cleaned up before
+ the end of an except block. This ensures objects
+ referenced by the exception state are not kept
+ alive too long.
+ See #2507.
+ */
+ if (tstate->frame->f_exc_type != NULL)
+ reset_exc_info(tstate);
+ else {
+ assert(tstate->frame->f_exc_value == NULL);
+ assert(tstate->frame->f_exc_traceback == NULL);
+ }
Py_DECREF(v);
break;