Re: type of decimal constants in msvc

From	Tim Rentsch <tr.17687@z991.linuxsc.com>
Newsgroups	comp.lang.c
Subject	Re: type of decimal constants in msvc
Date	2025-12-22 05:05 -0800
Organization	A noiseless patient Spider
Message-ID	<868qeusm4f.fsf@linuxsc.com> (permalink)
References	<1097ivh$ntii$1@dont-email.me> <10i3dpt$14ajr$1@dont-email.me> <875xa2u0p9.fsf@example.invalid> <10i3hkn$15jea$1@dont-email.me> <871pkqtdyy.fsf@example.invalid>

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Keith Thompson <Keith.S.Thompson+u@gmail.com> writes:

> 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.

No, it isn't.  The message might be misleading but it isn't wrong.

> The integer constant 18408377700990114895 is not of any unsigned type.

The message doesn't say the constant has an unsigned type.  It says
only that the constant is unsigned.

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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

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