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bug#67568: Emacs master: Bug in byte compiler when there's an unused par
From: |
Alan Mackenzie |
Subject: |
bug#67568: Emacs master: Bug in byte compiler when there's an unused parameter. |
Date: |
Fri, 1 Dec 2023 14:16:53 +0000 |
Hello, Dmitry.
On Fri, Dec 01, 2023 at 15:06:23 +0200, Dmitry Gutov wrote:
> On 01/12/2023 14:49, Alan Mackenzie wrote:
> > On a recent Emacs master:
> > (i) emacs -Q
> > (ii) In*scratch* enter the following:
> > (byte-compile (lambda (x) "doc" "foo"))
> > .
> > (iii) Enter C-u C-x C-e to evaluate the form. The result looks like:
> > #[257 "\300\207" [nil] 2 "doc
> > (fn X)"]
> > . This is incorrect. The only form in the constants vector is nil.
> > It should be "foo".
> > (iv) Note that this only happens with the unused parameter x. Without
> > it, the form compiles correctly.
> Might be a bug in the interpreter too?
> (funcall (lambda (x) "doc" "foo") 2)
> ;; => nil
Outch! Thanks for spotting that, it might make the bug easier to solve.
--
Alan Mackenzie (Nuremberg, Germany).
- bug#67568: Emacs master: Bug in byte compiler when there's an unused parameter., Alan Mackenzie, 2023/12/01
- bug#67568: Emacs master: Bug in byte compiler when there's an unused parameter., Dmitry Gutov, 2023/12/01
- bug#67568: Emacs master: Bug in byte compiler when there's an unused parameter.,
Alan Mackenzie <=
- bug#67568: Emacs master: Bug in byte compiler when there's an unused parameter., Alan Mackenzie, 2023/12/01
- bug#67568: Emacs master: Bug in byte compiler when there's an unused parameter., Stefan Monnier, 2023/12/01
- bug#67568: Emacs master: Bug in byte compiler when there's an unused parameter., Alan Mackenzie, 2023/12/01
- bug#67568: Emacs master: Bug in byte compiler when there's an unused parameter., Stefan Monnier, 2023/12/03
- bug#67568: Emacs master: Bug in byte compiler when there's an unused parameter., Eli Zaretskii, 2023/12/03
- bug#67568: Emacs master: Bug in byte compiler when there's an unused parameter., Stefan Monnier, 2023/12/03
- bug#67568: Emacs master: Bug in byte compiler when there's an unused parameter., Eli Zaretskii, 2023/12/03