gh-144264: Speed up Base64 decoding of data containing ignored characters#144265

serhiy-storchaka merged 3 commits intopython:mainpython/cpython:mainfrom

serhiy-storchaka:binascii-a2b_base64-ignorechars-speedupserhiy-storchaka/cpython:binascii-a2b_base64-ignorechars-speedupCopy head branch name to clipboard