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From: "daniel.kruegler at googlemail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libstdc++/54249] [C++11] No ::nullptr_t in header <stddef.h>
Date: Tue, 14 Aug 2012 09:52:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D54249

--- Comment #3 from Daniel Kr=C3=BCgler <daniel.kruegler at googlemail dot =
com> 2012-08-14 09:52:30 UTC ---
(In reply to comment #2)
> (In reply to comment #0)
> > "Every C header, each of which has a name of the form name.h, behaves a=
s if
> > each name placed in the standard library namespace by the corresponding=
 cname
> > header is placed within the global namespace scope."

[..]=20

> I believe someone (Howard maybe?) wanted to file a DR asking to remove th=
is
> paragraph.

I don't want to start a lengthy discussion here about the C++ Standard Libr=
ary
specification, but it must be clear that removing above paragraph would have
the effect of making the effects of including any <*.h> header in a C++ pro=
gram
undefined, because [depr.c.headers] is the only place in the Library
specification that defines the semantics.