bug#74910: 3 Warnings or Errors after starting up Emacs 29.4

[Eli Zaretskii]

> Date: Mon, 16 Dec 2024 11:39:34 +0000 (UTC)
> From:  Andrew Goh via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> I get these three warnings after starting Emacs 29.4
> 
> a.  Fatal error: no compiled in support for x86-64
> b.  C:\Program Files\Emacs\emacs-29.4\bin\libgccjit-0.dll: error invoking gcc 
> driver
> c.  C:/Program 
> Files/Emacs/emacs29.4/share/emacs/29.4/lisp/emacs-lisp/cl.seq-el Error: 
> Internal native
> compiler error familed to compile
> 
> I hope these errors are fixed, and that it Emacs can auto update without the 
> need to run package-update-all
> which shows how green I am with Emacs.

Sounds like you have a mix of 32-bit and 64-bit development tools, and
that causes the problem.  Like, if your libgccjit is 64-bi, but
Binutils are for 32 bits.

IOW, this is a configuration problem local to your system, not an
Emacs bug.