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bug#34757: Invalid bytecode from byte compiler
From: |
Eli Zaretskii |
Subject: |
bug#34757: Invalid bytecode from byte compiler |
Date: |
Fri, 08 Mar 2019 15:18:31 +0200 |
> From: chuntaro <chuntaro@sakura-games.jp>
> Date: Tue, 5 Mar 2019 17:01:00 +0900
>
> Invalid bytecode is output and error occurs when executed.
>
> Byte compile the following code.
>
> bug.el
> ----------------------------------------------------------------
> ;;; -*- lexical-binding: t; -*-
>
> (let ((a 2))
> (print 1)
> (setq a 1))
> ----------------------------------------------------------------
>
> $ emacs --batch -f batch-byte-compile bug.el
>
> bug.elc
> ----------------------------------------------------------------
> ;ELC
> ...
> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>
>
> (funcall 2 'print 1)
> 1
> ----------------------------------------------------------------
>
> $ emacs --batch -l bug.elc
> Invalid function: 2
Why is that a problem? The Lisp code is invalid, and the error
message says that much.