[Bug #20398] Terminate token buffer at invalid octal number

1 files changed, 1 insertions, 0 deletions

diff --git a/parse.y b/parse.y
index 585130c346..55619273b8 100644
--- a/parse.y
+++ b/parse.y
@@ -10164,6 +10164,7 @@ parse_numeric(struct parser_params *p, int c)
             /* prefixed octal */
             c = nextc(p);
             if (c == -1 || c == '_' || !ISDIGIT(c)) {
+                tokfix(p);
                 return no_digits(p);
             }
         }