[PATCH] bfd: Require the plugin target for slim LTO IR object

[Alan Modra]

On Fri, Aug 15, 2025 at 03:50:45PM -0700, H.J. Lu wrote:
> On Fri, Aug 15, 2025 at 3:28 PM Alan Modra <amodra@gmail.com> wrote:
> >
> > On Fri, Aug 15, 2025 at 11:25:05AM -0700, H.J. Lu wrote:
> > >       * format.c (bfd_check_format_matches): Require the plugin target
> > >       for slim LTO IR object.
> >
> > This needs a solid explanation of exactly why it is necessary.
> >
> 
> We can pass NULL as the target since non-plugin targets won't match
> slim LTO IR object.

That doesn't explain anything.  I can guess the real explanation,
which would be something along the lines of:

"LLVM slim LTO IR objects won't match any target but the plugin
target.  Make GCC slim LTO IR objects behave the same."

I seriously doubt this is a good idea.

-- 
Alan Modra