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bug#34781: 27.0.50; integer in pcase sometimes compared by eq
From: |
Mattias Engdegård |
Subject: |
bug#34781: 27.0.50; integer in pcase sometimes compared by eq |
Date: |
Thu, 28 Mar 2019 20:51:40 +0100 |
User-agent: |
Evolution 3.30.5 (3.30.5-1.fc29) |
tor 2019-03-28 klockan 11:25 -0700 skrev Paul Eggert:
>
> Thanks, it looks good to me; please install into the master branch
>
> What happens if a source file that uses pcase is compiled on a 64-bit
> machine that has wide fixnums, and is then loaded and run on a 32-bit
> machine that has narrow fixnums? Will this pcase code still work? And
> if
> not, are there similar bugs elsewhere in the pcase code?
Not that I can see; the singular case uses eql for integerp.
I didn't think of the case you described, thanks. We then need a new
function:
portable-fixnum-p
guaranteed-fixnum-p
always-fixnum-p
fixnum-everywhere-p
here-a-fixnum-there-a-fixnum-everywhere-a-fixnum-p
and names for the bounds:
portable-most-{positive,negative}-fixnum
...
Name suggestions welcome. Meanwhile, I'll make a new patch.
- bug#34781: 27.0.50; integer in pcase sometimes compared by eq, Mattias Engdegård, 2019/03/07
- bug#34781: 27.0.50; integer in pcase sometimes compared by eq, Paul Eggert, 2019/03/28
- bug#34781: 27.0.50; integer in pcase sometimes compared by eq,
Mattias Engdegård <=
- bug#34781: 27.0.50; integer in pcase sometimes compared by eq, Paul Eggert, 2019/03/28
- bug#34781: 27.0.50; integer in pcase sometimes compared by eq, Mattias Engdegård, 2019/03/28
- bug#34781: 27.0.50; integer in pcase sometimes compared by eq, Stefan Monnier, 2019/03/28
- bug#34781: 27.0.50; integer in pcase sometimes compared by eq, Mattias Engdegård, 2019/03/28
- bug#34781: 27.0.50; integer in pcase sometimes compared by eq, Paul Eggert, 2019/03/28
- bug#34781: 27.0.50; integer in pcase sometimes compared by eq, Mattias Engdegård, 2019/03/28
- bug#34781: 27.0.50; integer in pcase sometimes compared by eq, Paul Eggert, 2019/03/28
- bug#34781: 27.0.50; integer in pcase sometimes compared by eq, Eli Zaretskii, 2019/03/29
- bug#34781: 27.0.50; integer in pcase sometimes compared by eq, Mattias Engdegård, 2019/03/29
- bug#34781: 27.0.50; integer in pcase sometimes compared by eq, Eli Zaretskii, 2019/03/29