[Bug c/49595] on amd64, sizeof(__int128_t) > sizeof(intmax_t)

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49595

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-06-30 
18:33:27 UTC ---
(In reply to comment #3)
> suppose the only appropriate behavior is not to provide any integer types
> larger
> than intmax_t with -std=c99.

Use -pedantic-errors if you want to reject programs using __int128