[Bug bootstrap/97355] [11 Regression] Bootstrap comparison failure!

[mark at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97355

--- Comment #15 from Mark Wielaard <mark at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #14)
> In any case, the change to use -gdwarf-* by default even when not compiling
> just assembly was based on the assumption that gas would in that case pretty
> much only change the format of the .debug_line section generated from
> .file/.loc directives, but certainly not append anything on top of that
> itself (e.g. append some stuff to the compiler emitted .debug* sections).

Right, that was certainly the intention. I believe it is simply a bug is gas
where a file is kept that isn't used and put into the file table anyway:
https://sourceware.org/bugzilla/show_bug.cgi?id=26740#c1
There is already a patch to fix it:
https://sourceware.org/pipermail/binutils/2020-October/113741.html
We just have to double check with Nick this is really what his original code
was intended to do.