[lld] r282633 - Warn on empty archive files.

[Rafael Espíndola via llvm-commits]

On 30 September 2016 at 10:03, Rui Ueyama via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
> I'd instead make it precise; if an archive file has no symbol table and it
> contains a LLVM bitcode file, it is likely that the file was created by
> mistake. What do you think?
>

How do you know it has a bitcode? We only open files if there is a
symbol table telling us to do so.

Maybe just check that it has no symbol table but has at least one
regular member?

Cheers,
Rafael