[Bug libstdc++/1773] __cplusplus defined to 1, should be 199711L

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=1773

--- Comment #118 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-09-28 12:21:31 UTC ---
(In reply to comment #117)
> Any chance of this being backported to older branches? Seems quite useful for
> the future.

I don't think this (very good, but quite major) change qualifies for stable
release branches.

If someone is (perhaps foolishly) relying on __cplusplus==1 in 4.5.3 we should
not break their code if they upgrade to 4.5.4, they should reasonably expect
only bug fixes in that upgrade