+++ /dev/null
-diff --git a/Parser/tokenizer.c b/Parser/tokenizer.c
-index 3118fb19846..9e0dee8cc38 100644
---- a/Parser/tokenizer.c
-+++ b/Parser/tokenizer.c
-@@ -65,7 +65,7 @@ static const char *type_comment_prefix = "# type: ";
-
- static struct tok_state *tok_new(void) {
- struct tok_state *tok =
-- (struct tok_state *)PyMem_Malloc(sizeof(struct tok_state));
-+ (struct tok_state *)PyMem_Calloc(1, sizeof(struct tok_state));
- if (tok == NULL)
- return NULL;
- tok->buf = tok->cur = tok->inp = NULL;