[Bug libstdc++/77795] [6/7 Regression] ::gets declared in C++14 mode

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77795

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Fri Sep 30 18:28:53 2016
New Revision: 240672

URL: https://gcc.gnu.org/viewcvs?rev=240672&root=gcc&view=rev
Log:
libstdc++/77795 Only declare ::gets for C++98 and C++11

        PR libstdc++/77795
        * acinclude.m4 (GLIBCXX_CHECK_STDIO_PROTO): Use -std=gnu++11 to check
        for gets.
        * config.h.in: Regenerate.
        * configure: Regenerate.
        * include/c_global/cstdio [!_GLIBCXX_HAVE_GETS] (gets): Only declare
        for C++98 and C++11.
        * include/c_std/cstdio [!_GLIBCXX_HAVE_GETS] (gets): Likewise.
        * testsuite/27_io/headers/cstdio/functions_neg.cc: New test.

Added:
    trunk/libstdc++-v3/testsuite/27_io/headers/cstdio/functions_neg.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/acinclude.m4
    trunk/libstdc++-v3/config.h.in
    trunk/libstdc++-v3/configure
    trunk/libstdc++-v3/include/c_global/cstdio
    trunk/libstdc++-v3/include/c_std/cstdio