bpo-40048: Fix _PyCode_InitOpcache() error path (GH-19691)
If _PyCode_InitOpcache() fails in _PyEval_EvalFrameDefault(), use
"goto exit_eval_frame;" rather than "return NULL;" to exit the
function in a consistent state. For example, tstate->frame is now
reset properly.
diff --git a/Python/ceval.c b/Python/ceval.c
index 59765d8..c610419 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -1297,7 +1297,7 @@
co->co_opcache_flag++;
if (co->co_opcache_flag == OPCACHE_MIN_RUNS) {
if (_PyCode_InitOpcache(co) < 0) {
- return NULL;
+ goto exit_eval_frame;
}
#if OPCACHE_STATS
opcache_code_objects_extra_mem +=