[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 #9 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-06-30 21:23:55 UTC ---
(In reply to comment #7)
> The conformance issue, while important, is secondary.  I do expect GCC to
> comply with the standard in standards mode, and I do expect any deviation from
> the standards behavior in standards mode to be considered a bug worth fixing. 

What do you mean by standards mode?
It's clearly documented in the manual that -std=c99 does NOT mean non-standard
extensions are rejected, for that you need to use -pedantic-errors, and that
rejects __int128.