Fabian Boehm 89a30841f2 printf: Print special error for invalid octal numbers
(tbh these were always a mistake)

See #9035

(cherry picked from commit 13a9f6b64e81cb548469edf42102167c2770d3ac)
2022-07-13 22:18:59 +08:00
..
2021-08-30 17:16:19 +02:00