[PATCH] libstdc++: Add a __nonnnull__ attribute to std::string's _CharT* constructor

[Ville Voutilainen]

On Sun, 28 Jun 2020 at 13:56, Ville Voutilainen
<ville.voutilainen@gmail.com> wrote:
>
> 2020-06-28  Ville Voutilainen  <ville.voutilainen@gmail.com>
>
>     Add a __nonnnull__ attribute to std::string's _CharT* constructor
>     * include/bits/basic_string.h (string(_CharT*, const _Alloc&)):
>     Add a __nonnull__ attribute.
>     * testsuite/21_strings/basic_string/cons/char/nonnull.cc: New.
>     * testsuite/21_strings/basic_string/cons/wchar_t/nonnull.cc: Likewise.


Hmm, let's use dg-additional-options here too, and axe the pointless
-std=gnu++11.
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