bug#16695: 24.3; comment-dwim (args out of range)

[Eli Zaretskii]

> From: eg5cue@gmail.com
> Date: Sat, 08 Feb 2014 14:32:51 +0000
> 
> this is a longstanding bug since 24.3(i don't tried older versions) till now 
> (the latest git version - github mirror), and is very annoying.
> it happens when trying to comment out (a line/multiple lines) except the 
> first line from a C family file that:
> 
> it's first line isn't empty or a comment.
> isn't modified after it's opened.
> 
> comment function: comment-dwim (M-;)
> emacs args: emacs -Q

I cannot reproduce this.  Could you please provide a detailed, key by
key recipe, starting with "emacs -Q", and a sample C file to go with
it?

Thanks.