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[PATCH] Add -std=c++2a

• From: Andrew Sutton <andrew dot n dot sutton at gmail dot com>
• To: gcc-patches <gcc-patches at gcc dot gnu dot org>
• Date: Thu, 20 Jul 2017 09:33:42 -0400
• Subject: [PATCH] Add -std=c++2a
• Authentication-results: sourceware.org; auth=none

This adds a new C++ dialect, enabled by -std=c++2a.

        libcpp/
        Add support for C++2a.
        * include/cpplib.h (c_lang): Add CXX2A and GNUCXX2A.
        * init.c (lang_defaults): Add rows for CXX2A and GNUCXX2A.
        (cpp_init_builtins): Set __cplusplus to 201707L for C++2x.

        gcc/c-family/
        Add support for -std=c++2a.
        * c-common.h (cxx_dialect): Add cxx2a as a dialect.
        * opt.c: Add options for -std=c++2a and -std=gnu++2a.
        * c-opts.c (set_std_cxx2a): New.
        (c_common_handle_option): Set options when -std=c++2a is enabled.

        gcc/testsuite/
        New test for -std=c++2a.
        * g++.dg/cpp2a/cplusplus.C: New.


Andrew Sutton

Attachment: cxx2a.patch
Description: Binary data

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  • Re: [PATCH] Add -std=c++2a
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