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bug#35770: [PATCH] Broken duplicate case elimination in switch byte-comp
From: |
Noam Postavsky |
Subject: |
bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation |
Date: |
Wed, 22 May 2019 07:21:12 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux) |
Mattias Engdegård <mattiase@acm.org> writes:
> 22 maj 2019 kl. 12.58 skrev Eli Zaretskii <eliz@gnu.org>:
>>
>> However, in this case I really wonder why we should be so eager to
>> install the change on the emacs-26 branch. How long this wrong code
>> has been with us?
>
> About two years, and it only matters for (arguably) buggy code, so you are
> probably right.
I think the significant milestone is that it's been with us since 26.1,
i.e., this is a regression since Emacs 25.
> On the other hand, different behaviour in compiled and interpreted
> code does not make it easier to find such bugs.
Another option is turning off byte-compile-cond-use-jump-table by
default.
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Mattias Engdegård, 2019/05/17
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Stefan Monnier, 2019/05/17
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Mattias Engdegård, 2019/05/17
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Mattias Engdegård, 2019/05/22
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Eli Zaretskii, 2019/05/22
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Mattias Engdegård, 2019/05/22
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation,
Noam Postavsky <=
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Eli Zaretskii, 2019/05/22
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Stefan Monnier, 2019/05/22
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Mattias Engdegård, 2019/05/26
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Eli Zaretskii, 2019/05/26
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Stefan Monnier, 2019/05/26
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Mattias Engdegård, 2019/05/27