Re: type of decimal constants in msvc

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From	Keith Thompson <Keith.S.Thompson+u@gmail.com>
Newsgroups	comp.lang.c
Subject	Re: type of decimal constants in msvc
Date	Fri, 19 Dec 2025 12:26:45 -0800
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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 */

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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

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