bug#2603: defalias - doc string copied to definition

[Chong Yidong]

David Reitter <david.reitter@gmail.com> writes:

> It seems that a `defalias' call such as (defalias foo bar) will, in
> certain circumstances, set the doc string of BAR to the one of FOO,
> even though it should only set the doc string of FOO.  It also
> contains "[Missing arglist.  Please make a bug report.]".
>
> This happens in case where FOO is a Lisp function, BAR is a Lisp
> accessor to a function defined in C source, and the defalias occurs in
> a preloaded (?) file in lisp/term.

I've committed a fix.  Thanks for the bug report.