bug#71292: 30.0.50; macOS: .elns have no debug info

[Eli Zaretskii]

> From: Gerd Möllmann <gerd.moellmann@gmail.com>
> Date: Fri, 31 May 2024 15:55:43 +0200
> 
> Example in LLDB with native-comp-debug == 2
> 
>   frame #7: 0x000000010350db68 
> comp-7672a6ed-3a3b5dd7.eln`F636f6d702d2d6c696d706c6966792d626c6f636b_comp__limplify_block_0
>  + 1632 at comp-7672a6ed-3a3b5dd7.c:101440
> 
> and one can look at the C file.

But the C file is also generally unavailable, and not only on macOS.