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From: "foom at fuhm dot net" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/89855] Inconsistent global namespace overload sets
 from #include <cmath>
Date: Wed, 29 Apr 2020 18:27:14 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D89855

--- Comment #7 from James Y Knight <foom at fuhm dot net> ---
Ugh, GCC doesn't wrap quoted text? Re-posting the quote from
http://eel.is/c++draft/headers#5 without a quote marker...

"""
Except as noted in [library] through [thread] and [depr], the contents of e=
ach
header cname is the same as that of the corresponding header name.h as
specified in the C standard library. In the C++ standard library, however, =
the
declarations (except for names which are defined as macros in C) are within
namespace scope of the namespace std. It is unspecified whether these names
(including any overloads added in [support] through [thread] and [depr]) are
first declared within the global namespace scope and are then injected into
namespace std by explicit using-declarations.
"""=