[Bug c++/121133] [13/14/15/16 Regression] __extension__ no longer silences the pedwarn for long long

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121133

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
>__extension__ 1LL

Is recorded as part of PR 121132 and PR 71003 really. PR 121132 is what got me
trying `long long` .