From: Joseph Myers <joseph@codesourcery.com>
To: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Cc: Tom Honermann <tom@honermann.net>, <libc-alpha@sourceware.org>
Subject: Re: [PATCH v4 2/3] stdlib: Implement mbrtoc8(), c8rtomb(), and the char8_t typedef.
Date: Tue, 19 Jul 2022 21:08:15 +0000 [thread overview]
Message-ID: <alpine.DEB.2.22.394.2207192103260.133229@digraph.polyomino.org.uk> (raw)
In-Reply-To: <AD697349-599F-485B-9B0E-7AE289AEF912@linaro.org>
This change appears to introduce a failure of
wcsmbs/check-installed-headers-cxx with GCC mainline, because uchar.h now
produces:
../wcsmbs/uchar.h:38:23: error: identifier 'char8_t' is a keyword in C++20 [-Werror=c++20-compat]
38 | typedef unsigned char char8_t;
(recall we want our installed headers to avoid warnings *without* relying
on the default disabling of warnings in system headers).
Unfortunately, GCC for C++ doesn't disable -Wc++20-compat inside
__extension__ (unlike what the C front end does), so simply adding
__extension__ to that declaration wouldn't help, but we could use
diagnostic disabling pragmas (as already done in some installed headers).
--
Joseph S. Myers
joseph@codesourcery.com
next prev parent reply other threads:[~2022-07-19 21:08 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-30 12:52 [PATCH v4 0/3] C++20 P0482R6 and C2X N2653: char8_t, mbrtoc8(), and c8rtomb() Tom Honermann
2022-06-30 12:52 ` [PATCH v4 1/3] gconv: Correct Big5-HKSCS conversion to preserve all state bits. [BZ #25744] Tom Honermann
2022-07-04 18:16 ` Adhemerval Zanella
2022-06-30 12:52 ` [PATCH v4 2/3] stdlib: Implement mbrtoc8(), c8rtomb(), and the char8_t typedef Tom Honermann
2022-07-04 18:33 ` Adhemerval Zanella
2022-07-19 21:08 ` Joseph Myers [this message]
2022-07-20 12:04 ` Adhemerval Zanella Netto
2022-07-20 13:54 ` Florian Weimer
2022-07-20 14:31 ` Adhemerval Zanella Netto
2022-07-20 15:05 ` Florian Weimer
2022-07-20 16:53 ` Tom Honermann
2022-07-20 16:47 ` Tom Honermann
2022-07-21 19:22 ` Adhemerval Zanella Netto
2022-07-21 20:51 ` Tom Honermann
2022-07-21 20:56 ` Adhemerval Zanella Netto
2022-07-22 5:24 ` Tom Honermann
2022-07-22 11:21 ` Adhemerval Zanella Netto
2022-07-22 14:15 ` Adhemerval Zanella Netto
2022-07-22 17:00 ` Tom Honermann
2022-07-22 17:01 ` Adhemerval Zanella Netto
2022-07-24 4:46 ` Tom Honermann
2022-06-30 12:52 ` [PATCH v4 3/3] stdlib: Tests for " Tom Honermann
2022-07-04 18:58 ` Adhemerval Zanella
2022-07-04 19:08 ` [PATCH v4 0/3] C++20 P0482R6 and C2X N2653: char8_t, mbrtoc8(), and c8rtomb() Adhemerval Zanella
2022-07-06 3:27 ` Tom Honermann
2022-07-06 12:23 ` Adhemerval Zanella
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