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Re: [PATCH 0/3] yacc: compute the best type for the state number
From: |
Akim Demaille |
Subject: |
Re: [PATCH 0/3] yacc: compute the best type for the state number |
Date: |
Sat, 5 Oct 2019 16:22:38 +0200 |
> Le 5 oct. 2019 à 12:30, Paul Eggert <address@hidden> a écrit :
>
> On 10/5/19 3:07 AM, Akim Demaille wrote:
>
>>> This is a bug in Clang, as both operands of ? are ptrdiff_t. You might try
>>> filing a bug report with the Clang folks.
>> Maybe the error in actually in the division by the unsigned and the
>> diagnostic is wrong.
>
> Although that's possible, it'd still be a Clang bug.
Sure it is. I just wanted to characterize it, and indeed, with a cast, the CI
was happy. Your fix is fine too.
> There should be no diagnostic for arithmetic on constants where the result is
> mathematically correct. GCC generally gets this right.
>
> My experience in other projects is that we don't have time to maintain
> workarounds for Clang warning bugs (or for warning bugs in old GCCs, for that
> matter). But if you want to take on the task,....
Bison is in a different place and cannot be compared to most projects: we embed
code in project of others. I don't care that much about bison-the-executable
(which is in C99 anyway), but the problem at hand is/was in the output.
- Re: [PATCH 0/3] yacc: compute the best type for the state number, (continued)
- Re: [PATCH 0/3] yacc: compute the best type for the state number, Akim Demaille, 2019/10/06
- Re: [PATCH 0/3] yacc: compute the best type for the state number, Paul Eggert, 2019/10/06
- Re: [PATCH 0/3] yacc: compute the best type for the state number, Paul Eggert, 2019/10/05
- Re: [PATCH 0/3] yacc: compute the best type for the state number, Akim Demaille, 2019/10/05
- Re: [PATCH 0/3] yacc: compute the best type for the state number, Paul Eggert, 2019/10/05
- Re: [PATCH 0/3] yacc: compute the best type for the state number, Paul Eggert, 2019/10/05
- Re: [PATCH 0/3] yacc: compute the best type for the state number,
Akim Demaille <=
- Re: [PATCH 0/3] yacc: compute the best type for the state number, Akim Demaille, 2019/10/05
- Re: [PATCH 0/3] yacc: compute the best type for the state number, Paul Eggert, 2019/10/05
Re: [PATCH 0/3] yacc: compute the best type for the state number, Paul Eggert, 2019/10/05
Re: [PATCH 0/3] yacc: compute the best type for the state number, Théophile Ranquet, 2019/10/25