Re: [patch] libstdc++/60326 make_signed/make_unsigned for wide char types

[Jonathan Wakely <jwakely at redhat dot com>]

On 15/05/14 13:30 +0100, Jonathan Wakely wrote:
> We are missing specializations for wchar_t, char16_t and char32_t.
>
> The preprocessor condition I've added at the top of <type_traits> is
> to avoid needing to #include <cstdint>, which drops names in the
> global namespace. GCC defines __UINT_LEAST16_TYPE__ and
> __UINT_LEAST32_TYPE__ so we can use them, but other compilers may not
> (Clang doesn't) so just #include <cstdint> and accept that <stdint.h>
> might put its contents in the global namespace.
>
> Tested x86_64-linux, committed to trunk. I'd like to put this on the
> branch for 4.9.1 too, but will wait a while.

Here's the 4.9 version of the change, committed.

Attachment: patch-2.txt
Description: Text document