Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.c > #395860

Re: type of decimal constants in msvc

From Keith Thompson <Keith.S.Thompson+u@gmail.com>
Newsgroups comp.lang.c
Subject Re: type of decimal constants in msvc
Date 2025-12-19 12:26 -0800
Organization None to speak of
Message-ID <871pkqtdyy.fsf@example.invalid> (permalink)
References <1097ivh$ntii$1@dont-email.me> <10i3dpt$14ajr$1@dont-email.me> <875xa2u0p9.fsf@example.invalid> <10i3hkn$15jea$1@dont-email.me>

Show all headers | View raw


Thiago Adams <thiago.adams@gmail.com> writes:
> Em 19/12/2025 09:15, Keith Thompson escreveu:
[...]
>> gcc's warning for 18408377700990114895 (which is slightly smaller
>> than 2**64) is "integer constant is so large that it is unsigned".
>> This is *incorrect* (and I think it's been reported as a bug), but
>> the incorrect wording of the warning is not a conformance issue.
>
> I am not understating why do you think this is a bug?
> Because it should not compile?

No, because the message is factually incorrect.  The integer constant
18408377700990114895 is not of any unsigned type.

Diagnosing it is correct (since 18408377700990114895 > LLONG_MAX),
but the message is incorrect.

The bug report is <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96788>.

[...]

-- 
Keith Thompson (The_Other_Keith) Keith.S.Thompson+u@gmail.com
void Void(void) { Void(); } /* The recursive call of the void */

Back to comp.lang.c | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

type of decimal constants in msvc Thiago Adams <thiago.adams@gmail.com> - 2025-09-02 17:10 -0300
  Re: type of decimal constants in msvc Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2025-09-02 13:46 -0700
    Re: type of decimal constants in msvc Thiago Adams <thiago.adams@gmail.com> - 2025-09-02 20:39 -0300
    Re: type of decimal constants in msvc Tim Rentsch <tr.17687@z991.linuxsc.com> - 2025-12-15 08:06 -0800
      Re: type of decimal constants in msvc Thiago Adams <thiago.adams@gmail.com> - 2025-12-15 14:03 -0300
        Re: type of decimal constants in msvc Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2025-12-15 14:14 -0800
  Re: type of decimal constants in msvc Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-09-03 06:42 +0000
    Re: type of decimal constants in msvc BGB <cr88192@gmail.com> - 2025-09-03 10:59 -0500
    Re: type of decimal constants in msvc Michael S <already5chosen@yahoo.com> - 2025-09-04 15:21 +0300
  Re: type of decimal constants in msvc Thiago Adams <thiago.adams@gmail.com> - 2025-09-03 16:04 -0300
  Re: type of decimal constants in msvc Thiago Adams <thiago.adams@gmail.com> - 2025-12-19 08:43 -0300
    Re: type of decimal constants in msvc Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2025-12-19 04:15 -0800
      Re: type of decimal constants in msvc Thiago Adams <thiago.adams@gmail.com> - 2025-12-19 09:49 -0300
        Re: type of decimal constants in msvc Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2025-12-19 12:26 -0800
          Re: type of decimal constants in msvc Tim Rentsch <tr.17687@z991.linuxsc.com> - 2025-12-22 05:05 -0800
            Re: type of decimal constants in msvc Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2025-12-22 12:01 -0800
              Re: type of decimal constants in msvc Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-03-01 18:32 -0800
                Re: type of decimal constants in msvc Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-03-01 19:22 -0800

csiph-web